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Guilt-Tripping for the Public Good Often Achieves Its Intended Result

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Tuesday, April 16, 2024

In 2016 Merck launched an advertising campaign for its HPV vaccine that aroused a storm of protest and headlines. The Washington Post published an article entitled “Do the new Merck HPV ads guilt-trip parents or tell hard truths? Both.” One of Merck’s TV ads showed an adult woman diagnosed with cervical cancer and flashed back to her as a child, asking, “Did you know [there was a vaccine for HPV]—Mom, Dad?”“I thought, ‘This is the thing that's going to make parents say I would feel horrible if my kid got cervical cancer later, and I could have vaccinated them,’” says Monique Turner, a communication scientist at Michigan State University (MSU). ”So, from a research perspective, I was like, ‘Thumbs-up, Merck.’ But they took a lot of heat for it.”Guilt is a powerful tool. Research has shown that, wielded effectively, it can persuade people to do the right thing. In a recent analysis of 26 studies of guilt appeals, Washington State University communication scientist Wei Peng found that guilt works—if people hearing the pitch are not made to feel responsible for a bad situation. Picture asking them to help with an environmental catastrophe.On supporting science journalismIf you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.The most straightforward pitches involve what researchers call “existential guilt,” Peng says. They rely on our internal moral code that, as a human being, we have an obligation to relieve the suffering of others if we can. “What I found is that people feel guilty about people’s suffering even if they don’t have a direct personal relationship,” Peng says, “even if they are on the other side of the world.”It’s hard for most people to see photographs of starving children. Doing so hurts. Taking action to help them offers some relief. That’s what advocates are counting on when they ask you for donations to feed orphans or build shelters for earthquake survivors. Knowing guilt’s potential for good, social scientists are seeking the optimal formula to craft pitches for everything from promoting health behaviors and road safety to safeguarding the planet.But getting the formula right is tricky. “We have a hardwired negativity bias to instantly pay attention to anything that arouses a negative emotion,” says Pennsylvania State University media psychologist Jessica Myrick. That’s why inflicting guilt often works. But the downside of arousing this intensely uncomfortable feeling is that people can employ a battery of defenses against it: getting angry, rationalizing or distancing from the issue.That is the important takeaway from Peng’s research: guilt works when it doesn’t trigger resistance. In other words, don’t make listeners feel they’ve done something bad. “If you say we need to do something different versus you,” says persuasion scholar Robin Nabi of the University of California, Santa Barbara, “now you’re not the bad guy. We all have responsibility.”There are many ways to get this wrong. For example, if messengers arouse shame rather than guilt, MSU’s Turner found, people resist more. In her research, participants were asked to read an ad urging testing for sexually transmitted diseases (STDs) that evoked either guilt or shame and then to give their reactions. A headline in the guilt and shame appeals respectively asked what or who would give one’s partner an STD,” followed by multiple-choice answers. In both, the correct answer—“all of the above”—was circled at the bottom. The second-to-last option seen by both groups was objective: it referred to a person who hadn’t been tested for an STD The other multiple-choice answers were designed to evoke either guilt or shame. Those in the guilt appeal group were presented with choices such as, “someone with uninformed behavior”and “someone with forgetful behavior.” The group reading the shame appeal saw choices such as, “a selfish person” and “an irresponsible person.” Subjects in the latter group were likelier to feel angry and manipulated.As Turner explains, pointing out problematic behavior induces guilt, but focusing on someone’s inherent character traits—selfishness, for example—can induce shame. In most contexts, making people feel ashamed is not a good persuader.The key to making a guilt pitch succeed is to offer people relief from the guilt they’re feeling. In humanitarian appeals, people are usually offered easy-to-accomplish solutions: save the puppies from being euthanized by donating or volunteering, for instance. For health or safety messages, taking action may be harder, making messaging more challenging.If you’re asking parents to shield their kids from asthma risk from secondhand smoke, for example, saying, “Just quit” may be too hard for them. It is more effective, Nabi says, if you give people options: “Just smoke outside or not around your kids” or “Cut down how much you smoke.” “The idea is that when you evoke this emotion and then you give people a sense of efficacy,” she says, “it’s actually hope evoking.”That’s what scientists are finding in the lab. Adding a feel-good emotion to a guilt appeal—hope or pride, for example—works better. For one thing, it reduces people’s defensiveness, and that’s the first step: make sure they don’t shut you out. One recent study tested the effect of building hope into guilt appeals in a campaign to reduce texting while driving, which is an urgent safety issue because laws and enforcement have done little to reduce crashes tied to texting.In the online experiment, about 400 people were randomly placed in four groups. The first two groups viewed identical posters except that one added a hopeful message. The headline in both read, “You are never alone on the road.”The posters acknowledged how tempting it was to answer a text but noted that texting while driving was a factor in 20 percent of crashes. The “hope” message added recommendations to “turn on drive mode or silence your phone” and noted that doing so “can save lives.” In two other groups, people read what were essentially the same guilt-invoking or hopeful messages except that the language was more intense. The top headline, for example, read, “What you don’t see is a long and lovely life.” Adding the hopeful message reduced targets’ defensive responses in both language intensity groups. It also increased their stated intentions to avoid texting while driving.One new preprint study on guilt messaging tested the effect of inducing empathy alongside guilt in a hypothetical public-service campaign to reduce plastic bag pollution in oceans. In this online experiment, 257 college students were randomly assigned to read one of four messages from a fictional Facebook page, “Save the Marine Animals Foundation,” asking them to reduce their plastic bag use. In half the groups the undergraduates were asked to take the perspective of an animal suffering from ingesting a plastic bag. Researchers found that adopting the animals’ viewpoint created empathy. More empathy was associated with more guilt, which was, in turn, correlated with an increase in participants’ intentions to cut down on plastic bag use.In some appeals to protect the environment, inducing pride along with guilt proves to be the winning recipe for persuading people to change their behavior. In a meta-analysis of 30 years of research, data scientist Nathan Shipley, then at the University of Illinois at Urbana-Champaign, zeroed in on campaigns that induce people to imagine they’ll feel guilty or proud of themselves depending on their future behavior. He found that both emotions correlated with subjects’ intended and reported pro-environmental behavior, but the pride relationship was stronger.The success of these efforts depends at least partly on how well a message is tailored to a specific audience. Undergraduates in these studies, for example, are typically more environmentally conscious than their parents. The results in a new study showed that for Generation Z restaurant diners, both anticipated guilt for eating less environmentally sustainable food and an anticipated pride for eating more environmentally friendly, plant-based foods influenced their intentions to eat at chain restaurants that offered nonmeat options.Another study tested whether mothers of young children were more susceptible than others to guilt appeals to switch to buying organic food. The researchers found that they were. That’s not surprising, says Myrick, who is a mother of three kids under the age of five. Myrick is bombarded with guilt appeals. She’s had to triage the things she feels guilty about, such as using disposable diapers and paper plates, because, she says, “I’d feel even more guilty if I didn’t feed my kids something even when I don’t have time to prepare food.”Another study measured neither pride nor guilt, but both may have been implicitly invoked, says Elizabeth Hewitt, a social scientist at Stony Brook University and lead author of the paper. Over 12 weeks in two next-door apartment buildings in New York City, experimenters posted signs in the trash rooms every week announcing how well each building had done in recycling efforts. The sign in one building compared the amount of much of plastic, metal and glass its residents had recycled during the previous week with how much they had recycled the week before. The sign in the other building compared the amount its residents recycled in the previous week with how much their neighbors recycled during the same period. Both buildings increased their recycling by bag weight, but the feedback that compared residents with their neighbors resulted in more recycled material. Although the mechanism operated through peer pressure, guilt can play a role if a person feels they are not doing as much as they should, Hewitt says. Surpassing your neighbors can trigger pride.This swell of research is both timely and necessary, scientists say. Left to our own devices, we are not always our best selves—or our own best friends. Persuasive public service messaging will need to be crafted for new generations. Take the campaigns for the HPV vaccine. Over 20 years, they were a factor in reducing HPV infections in teenage girls by 88 percent and in young adult women by 81 percent. Yet vaccination rates in the U.S. remain lower than in other countries, and rates are uneven across the U.S., leaving many vulnerable to preventable cancers. To address such problems, it remains urgent to find effective tools of persuasion. Guilt, massaged in the right ways, can be a powerful tool.

The emerging science of laying guilt through public messaging can help safeguard the planet and improve health behaviors

In 2016 Merck launched an advertising campaign for its HPV vaccine that aroused a storm of protest and headlines. The Washington Post published an article entitled “Do the new Merck HPV ads guilt-trip parents or tell hard truths? Both.” One of Merck’s TV ads showed an adult woman diagnosed with cervical cancer and flashed back to her as a child, asking, “Did you know [there was a vaccine for HPV]—Mom, Dad?”

“I thought, ‘This is the thing that's going to make parents say I would feel horrible if my kid got cervical cancer later, and I could have vaccinated them,’” says Monique Turner, a communication scientist at Michigan State University (MSU). ”So, from a research perspective, I was like, ‘Thumbs-up, Merck.’ But they took a lot of heat for it.”

Guilt is a powerful tool. Research has shown that, wielded effectively, it can persuade people to do the right thing. In a recent analysis of 26 studies of guilt appeals, Washington State University communication scientist Wei Peng found that guilt works—if people hearing the pitch are not made to feel responsible for a bad situation. Picture asking them to help with an environmental catastrophe.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


The most straightforward pitches involve what researchers call “existential guilt,” Peng says. They rely on our internal moral code that, as a human being, we have an obligation to relieve the suffering of others if we can. “What I found is that people feel guilty about people’s suffering even if they don’t have a direct personal relationship,” Peng says, “even if they are on the other side of the world.”

It’s hard for most people to see photographs of starving children. Doing so hurts. Taking action to help them offers some relief. That’s what advocates are counting on when they ask you for donations to feed orphans or build shelters for earthquake survivors. Knowing guilt’s potential for good, social scientists are seeking the optimal formula to craft pitches for everything from promoting health behaviors and road safety to safeguarding the planet.

But getting the formula right is tricky. “We have a hardwired negativity bias to instantly pay attention to anything that arouses a negative emotion,” says Pennsylvania State University media psychologist Jessica Myrick. That’s why inflicting guilt often works. But the downside of arousing this intensely uncomfortable feeling is that people can employ a battery of defenses against it: getting angry, rationalizing or distancing from the issue.

That is the important takeaway from Peng’s research: guilt works when it doesn’t trigger resistance. In other words, don’t make listeners feel they’ve done something bad. “If you say we need to do something different versus you,” says persuasion scholar Robin Nabi of the University of California, Santa Barbara, “now you’re not the bad guy. We all have responsibility.”

There are many ways to get this wrong. For example, if messengers arouse shame rather than guilt, MSU’s Turner found, people resist more. In her research, participants were asked to read an ad urging testing for sexually transmitted diseases (STDs) that evoked either guilt or shame and then to give their reactions. A headline in the guilt and shame appeals respectively asked what or who would give one’s partner an STD,” followed by multiple-choice answers. In both, the correct answer—“all of the above”—was circled at the bottom. The second-to-last option seen by both groups was objective: it referred to a person who hadn’t been tested for an STD The other multiple-choice answers were designed to evoke either guilt or shame. Those in the guilt appeal group were presented with choices such as, “someone with uninformed behavior”and “someone with forgetful behavior.” The group reading the shame appeal saw choices such as, “a selfish person” and “an irresponsible person.” Subjects in the latter group were likelier to feel angry and manipulated.

As Turner explains, pointing out problematic behavior induces guilt, but focusing on someone’s inherent character traits—selfishness, for example—can induce shame. In most contexts, making people feel ashamed is not a good persuader.

The key to making a guilt pitch succeed is to offer people relief from the guilt they’re feeling. In humanitarian appeals, people are usually offered easy-to-accomplish solutions: save the puppies from being euthanized by donating or volunteering, for instance. For health or safety messages, taking action may be harder, making messaging more challenging.

If you’re asking parents to shield their kids from asthma risk from secondhand smoke, for example, saying, “Just quit” may be too hard for them. It is more effective, Nabi says, if you give people options: “Just smoke outside or not around your kids” or “Cut down how much you smoke.” “The idea is that when you evoke this emotion and then you give people a sense of efficacy,” she says, “it’s actually hope evoking.”

That’s what scientists are finding in the lab. Adding a feel-good emotion to a guilt appeal—hope or pride, for example—works better. For one thing, it reduces people’s defensiveness, and that’s the first step: make sure they don’t shut you out. One recent study tested the effect of building hope into guilt appeals in a campaign to reduce texting while driving, which is an urgent safety issue because laws and enforcement have done little to reduce crashes tied to texting.

In the online experiment, about 400 people were randomly placed in four groups. The first two groups viewed identical posters except that one added a hopeful message. The headline in both read, “You are never alone on the road.”The posters acknowledged how tempting it was to answer a text but noted that texting while driving was a factor in 20 percent of crashes. The “hope” message added recommendations to “turn on drive mode or silence your phone” and noted that doing so “can save lives.” In two other groups, people read what were essentially the same guilt-invoking or hopeful messages except that the language was more intense. The top headline, for example, read, “What you don’t see is a long and lovely life.” Adding the hopeful message reduced targets’ defensive responses in both language intensity groups. It also increased their stated intentions to avoid texting while driving.

One new preprint study on guilt messaging tested the effect of inducing empathy alongside guilt in a hypothetical public-service campaign to reduce plastic bag pollution in oceans. In this online experiment, 257 college students were randomly assigned to read one of four messages from a fictional Facebook page, “Save the Marine Animals Foundation,” asking them to reduce their plastic bag use. In half the groups the undergraduates were asked to take the perspective of an animal suffering from ingesting a plastic bag. Researchers found that adopting the animals’ viewpoint created empathy. More empathy was associated with more guilt, which was, in turn, correlated with an increase in participants’ intentions to cut down on plastic bag use.

In some appeals to protect the environment, inducing pride along with guilt proves to be the winning recipe for persuading people to change their behavior. In a meta-analysis of 30 years of research, data scientist Nathan Shipley, then at the University of Illinois at Urbana-Champaign, zeroed in on campaigns that induce people to imagine they’ll feel guilty or proud of themselves depending on their future behavior. He found that both emotions correlated with subjects’ intended and reported pro-environmental behavior, but the pride relationship was stronger.

The success of these efforts depends at least partly on how well a message is tailored to a specific audience. Undergraduates in these studies, for example, are typically more environmentally conscious than their parents. The results in a new study showed that for Generation Z restaurant diners, both anticipated guilt for eating less environmentally sustainable food and an anticipated pride for eating more environmentally friendly, plant-based foods influenced their intentions to eat at chain restaurants that offered nonmeat options.

Another study tested whether mothers of young children were more susceptible than others to guilt appeals to switch to buying organic food. The researchers found that they were. That’s not surprising, says Myrick, who is a mother of three kids under the age of five. Myrick is bombarded with guilt appeals. She’s had to triage the things she feels guilty about, such as using disposable diapers and paper plates, because, she says, “I’d feel even more guilty if I didn’t feed my kids something even when I don’t have time to prepare food.”

Another study measured neither pride nor guilt, but both may have been implicitly invoked, says Elizabeth Hewitt, a social scientist at Stony Brook University and lead author of the paper. Over 12 weeks in two next-door apartment buildings in New York City, experimenters posted signs in the trash rooms every week announcing how well each building had done in recycling efforts. The sign in one building compared the amount of much of plastic, metal and glass its residents had recycled during the previous week with how much they had recycled the week before. The sign in the other building compared the amount its residents recycled in the previous week with how much their neighbors recycled during the same period. Both buildings increased their recycling by bag weight, but the feedback that compared residents with their neighbors resulted in more recycled material. Although the mechanism operated through peer pressure, guilt can play a role if a person feels they are not doing as much as they should, Hewitt says. Surpassing your neighbors can trigger pride.

This swell of research is both timely and necessary, scientists say. Left to our own devices, we are not always our best selves—or our own best friends. Persuasive public service messaging will need to be crafted for new generations. Take the campaigns for the HPV vaccine. Over 20 years, they were a factor in reducing HPV infections in teenage girls by 88 percent and in young adult women by 81 percent. Yet vaccination rates in the U.S. remain lower than in other countries, and rates are uneven across the U.S., leaving many vulnerable to preventable cancers. To address such problems, it remains urgent to find effective tools of persuasion. Guilt, massaged in the right ways, can be a powerful tool.

Read the full story here.
Photos courtesy of

Why Home Maintenance Deserves a Spot in the Annual Health and Budget Plans

Experts say home care can affect your health and finances

Many people start the new year thinking about ways to improve their health, be more organized and manage their finances. Experts say there is one area that touches on each of those resolutions — home care.Early and routine home maintenance goes beyond fixing visible damage. It helps ensure a healthy living environment, extends the life of a home and can protect its long-term value, according to real estate professionals. Planning ahead for regular upkeep and for unexpected emergencies can reduce the risk of costly repairs later and help spread expenses more evenly throughout the year.According to research by the U.S. Department of Energy and the Environmental Protection Agency, about three-quarters of existing homes are expected to still be in use in 2050.“Maintaining the homes that we have is really essential to protecting our health and our well-being,” said Amanda Reddy, executive director of the National Center for Healthy Housing, an organization that researches and advocates for reducing housing-related health disparities.Despite who owns the property, Reddy says, keeping residences dry, clean, pest-free, well-ventilated and safe is the goal, which can mean different types of maintenance depending on the type of home, where someone lives and the time of year. Here's what experts say about home care and what tasks to put on the checklist this year: Home care includes the big projects and the everyday decisions On average, Americans spend about 90% of their time indoors, 70% of that time inside of a residence, according to the National Human Activity Pattern Survey.“It's not just that we spend time indoors, but at home. If you are older, very young, have health concerns, or work from home, it is likely more than that,” Reddy said, emphasizing the reason why home care is a valuable investment.What many people think of maintenance includes addressing water and gas leaks, pest infestations, cracks and other major repairs, but home builders say not everything needs a professional and can include actions as simple as wiping counters and sweeping floors of food debris, opening windows for better ventilation or clearing out clogged filters and drains.Residents should also consider the needs of those living in the home, commonly used spaces such as kitchens, bathrooms and bedrooms, and typically neglected areas like attics and basements. Reddy says “anywhere we’re spending time” or often ignoring and possibly missing necessary repairs should be prioritized.“At the end of the day, doing any preventative maintenance at all matters more than doing it perfectly or at exactly the right time,” Reddy said. “But timing can make a big difference. A lot of these tasks are seasonal or annual, and you’re not just going to do it one time. Homes are stressed differently by different times of the year, so seasonal maintenance helps us catch problems before they’re made worse by environmental stressors.” Seasonal maintenance to plan for throughout the year When it comes to maintenance, planning and preparing for anticipated and routine changes in the environment can help mitigate natural wear and tear on the exterior of homes and also create healthy conditions inside — where most people shelter from extreme weather events.“What happens outside the house rarely stays outside the house. What’s outside gets inside, what’s inside builds up," Reddy said, adding that fluctuating outdoor conditions put stress on appliances and systems at different times of the year. “For most people, the seasonal rhythm not only makes sense because of those stressors, it also just is more realistic and effective than trying to tackle a long, overwhelming checklist all at once."For example, experts say the best time to prepare for cold and wet climate, storms and other natural disasters is to address concerns before temperatures drop. Similarly, it is recommended that residents address systems in homes that work to reduce the effects of extreme high temperatures, dry and drought conditions and associated risks like wildfires and air quality in the offseason.Professional guidance from home inspectors, builders and real estate agents says spring and summer tasks should focus on preparing for warmer weather. Experts recommend checking air conditioning systems, cleaning dryer vents to prevent fire hazards, testing sprinkler systems, tending to gardens and plants around homes' exterior and inspecting appliances, electrical equipment and plumbing fixtures. Experts also say spring is a good time to clean and do any house projects that involve painting or remodeling since rain is unlikely to cause delays during that time.In the fall and winter months, experts suggest focusing on temperature control and air quality measures as people tend to shelter indoors during incoming colder weather. American Home Inspectors Training guidance says check heating systems, clean air filters, make sure carbon monoxide detectors are working, seal air leaks, prioritize pest control, clean and repair roofs and chimneys, and inspecting drainage options in and around homes.Copyright 2026 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.Photos You Should See – December 2025

Understanding Childhood Obesity: Causes, Treatments and How to Reduce Stigma

By Shagun Bindlish, MD, FACP, FOMA, DABOM, DACLM HealthDay ReporterTUESDAY, Dec. 30, 2025 (HealthDay News) — While childhood obesity has become...

TUESDAY, Dec. 30, 2025 (HealthDay News) — While childhood obesity has become more common in recent years, this is a condition that is about more than just weight.Childhood obesity reflects our modern environment of ultra-processed foods, digital devices and psychological stressors.To address childhood obesity, clinicians and families must work together to create a more nuanced, compassionate and evidence-based approach to prevention and care.What is childhood obesity?Today’s pediatric obesity epidemic involves both a child’s genetics and their environment. While genetics does play a significant role in the development of obesity in children, environments full of ultra-processed foods, screen-focused forms of recreation, poor sleep and mental stress are powerful contributors.Recent research shows that a mother’s health, how a baby is fed, and even exposure to certain chemicals during pregnancy can affect a child’s future metabolism.Combined with aggressive food marketing and environmental and social barriers to regular physical activity across diverse communities, these factors create a “perfect storm” for early metabolic risk.The power of early screeningThe American Academy of Pediatrics (AAP) and Obesity Medicine Association (OMA) recommend that screening for obesity begin as early as age 2. In diagnosing obesity in children, clinicians look for the following:Assessing all of these factors can help clinicians intervene before weight-related issues develop.  The goal is not to put labels on children. It’s to help them build habits early, fostering healthy eating patterns, physical activity and self-esteem during their early years. Tailoring treatment based on age For children who have not entered puberty, the main goal is to normalize growth: maintain a healthy weight so height can catch up. Success depends on parents modeling healthy habits, setting routines and encouraging activity through play. Teenagers need more independence and support for emotional and social issues. Effective care should assess their sleep, stress and emotional eating, and should also check for bullying, depression, disordered eating and the effects of social media.The importance of guidance from caregiversThe most important factor in treating pediatric obesity is family and/or caregivers.Families and caregivers need guidance on nutrition, physical activity, understanding behavior and providing emotional support. Sustainable change is possible when a family works together. Parent-led steps like cooking meals together, being active as a family and limiting certain foods can make a big difference.Behavioral therapy reframes obesity as a chronic, relapsing condition, not a personal failure. It empowers both children and caregivers to replace shame with skills.Both the Obesity Medicine Association and the American Academy of Pediatrics recommend intensive health behavior and lifestyle treatment (IHBLT), defined as at least 26 hours of structured, family-based counseling delivered over 6-12 months.Higher total contact time is associated with greater and more sustained improvements in BMI and cardiometabolic risk.Possibly one of the most important things clinicians can do is speak to children with obesity (and their parents) without putting the focus on weight. Using terms like “health habits” and “growth pattern” and emphasizing body positivity instead of focusing on “weight talk” can help patients feel more comfortable and committed to their treatment.It is also crucial to train staff to use person-first language (“child with obesity,” not “obese child”) to create a welcoming and weight-inclusive environment. This includes having appropriate seating, using a nonjudgmental tone and building trust with patients.For severe obesity, new options approved by the U.S. Food and Drug Administration have emerged, like liraglutide and semaglutide (GLP-1 receptor agonists).These medications must accompany the changes in lifestyle (nutrition, physical activity and behavioral therapy). They should be prescribed by clinicians trained in pediatric obesity medicine.For teenagers with severe obesity and other related health issues, metabolic bariatric surgery offers a durable solution but requires long-term nutritional and emotional support.Building a healthier future for childrenChildren cannot overcome obesity on their own. Effective prevention requires collaboration from their family, health care providers, schools, policymakers and communities.Policies like healthy school meals, walkable neighborhoods, early nutrition education and restrictions on junk food marketing can reduce pediatric obesity better than clinical care alone.Shagun Bindlish, MD, FACP, FOMA, DABOM, DACLM, is an internist and diabetologist with advanced expertise in obesity and lifestyle medicine. She serves as medical and scientific chair for the American Diabetes Association in Northern California and is the founder of the Golden State Obesity Society. An educator at Touro University California and University at Sea CME, she has trained providers worldwide in metabolic health. She is also a recipient of the prestigious Compassionate Physician of the Year Award by the California Medical Association. Her work focuses on advancing diabetes and obesity care through innovation, education and advocacy.Copyright © 2025 HealthDay. All rights reserved.

Tree Rings May Reveal Hidden Clues About Water History

By I. Edwards HealthDay ReporterTUESDAY, Dec. 23, 2025 (HealthDay News) — Trees don’t just clean the air, they also keep a quiet record of the...

TUESDAY, Dec. 23, 2025 (HealthDay News) — Trees don’t just clean the air, they also keep a quiet record of the past.New research suggests that tree rings may help scientists uncover missing pieces of environmental history, especially when it comes to water in the midwest. By studying how different tree species respond to wet and dry conditions, researchers say they can better understand how watersheds have changed over time, and how they may change in the future.Watersheds are areas of land that drain water into nearby streams, rivers and lakes. Healthy watersheds help protect drinking water, support wildlife and keep ecosystems balanced, according to the U.S. Environmental Protection Agency. But climate change can put a big strain on these systems, especially when historical data is limited.“One human lifespan is not going to show us the big picture,” study leader Alessandra Bertucci, a graduate student at Ohio State University in Columbus, said in a news release."So using trees to address these gaps of understanding is really important for managing water resources, even in intensively managed watersheds," Bertucci added.Trees typically grow a new ring each year and the size and density of those rings can reflect weather conditions such as droughts, floods and long periods of rain. But not all trees record these events the same way. That’s why the research team found that using multiple tree species gives a clearer picture than relying on just one.The study focused on riparian trees, which grow near rivers and streams in the Midwest. Researchers found that many of these trees are especially good at recording past wet and dry periods, making them useful for understanding regional water patterns.The work was recently presented at a meeting of the American Geophysical Union in New Orleans.To gather their data, researchers collected tree core samples from areas where long-term watershed records are scarce, including Ohio’s Old Woman Creek State Nature Preserve near Lake Erie. They studied three common tree species and compared ring width and density with recorded climate data.Because much of the Midwest is heavily farmed, accurate water data is critical. Bertucci said limited historical records can lead to poor estimates of past floods or droughts, which may affect decisions about water use and conservation.With the updated tree ring data, the team hopes to build models that can help predict how weather patterns and water flow may change in the coming decades.“If we can round out that historical data and understand what to expect, we can better plan for how to manage our water resources in the future,” Bertucci said.Researchers plan to expand their work by sampling more tree species and studying additional watersheds. The findings could help farmers, water managers and communities make smarter decisions about water conservation.“Water is life,” Bertucci said. “We literally cannot live without it, so it’s important to protect and make sure that we are taking care of it, because that is our lifeline.”Research presented at meetings should be considered preliminary, until published in a peer-reviewed journal.SOURCE: Ohio State University, news release, Dec. 19, 2025Copyright © 2025 HealthDay. All rights reserved.

How Bay Area cops changed their approach to mental health calls

A mental health clinician with a bullet-proof vest is helping change the way a Bay Area city responds to some of its emergency calls. That’s what CalMatters’ Cayla Mihalovich found when she visited the San Mateo Police Department earlier this month to check out a new approach for mental health calls.  The city was one […]

Briana Fair, San Mateo Police Department’s mental health clinician, in San Mateo on Dec. 15, 2025. Photo by Manuel Orbegozo for CalMatters A mental health clinician with a bullet-proof vest is helping change the way a Bay Area city responds to some of its emergency calls. That’s what CalMatters’ Cayla Mihalovich found when she visited the San Mateo Police Department earlier this month to check out a new approach for mental health calls.  The city was one of many that searched for a better way to help people in the throes of a mental health crisis. It participated in a 2021 pilot program from San Mateo County that paired law enforcement officers with mental health clinicians in four cities with the aim of freeing up police officers and avoiding unnecessary confrontations.  Rather than police officers having to decide whether to arrest a person, send them to a hospital for a hold or leave them to their own devices, a paired clinician was deployed to provide additional measures such as safety planning, follow-up calls and community mental health resources.  “I fill in the gaps,” said San Mateo Police Department mental health clinician Briana Fair, who builds relationships with people she calls clients and joins officers on some emergency calls. Known as a “co-responder model,” the pilot appeared to work: Involuntary holds decreased about 17% and it reduced the chances of future mental health calls to 911, according to a new study by Stanford University. By reducing the number of involuntary detentions, researchers also estimated that the cities saved as much as $800,000 a year on health costs. Mariela Ruiz-Angel, director of Alternative Response Initiatives at Georgetown Law’s Center for Innovations in Community Safety: “The idea was never about taking cops out of the equation altogether. The idea was that we don’t have to center them as the main response of 911. We don’t have to make public safety about cops. Public safety is about the appropriate response.” Since the end of the two-year pilot, nearly all of San Mateo County cities have rolled out the co-responder model. Cities that participated in the pilot also found a way to sustain the program, including the police department in the city of San Mateo, which currently employs Fair and another part-time clinician. Read more here. Go behind the scenes of our Prop. 50 voter guide: Our team brought the guide to more readers across the state thanks to newsroom partners. Learn more. Dec. 31 deadline: Your gift will have triple the impact thanks to two matching funds, but the deadline is Dec. 31. Please give now. Other Stories You Should Know Gun suicides in rural California A collection of Jeffrey Butler photographs on a table at his daughter’s home in Douglas City on Dec. 4, 2025. Photo by Salvador Ochoa for CalMatters In rural California — where medical and mental health care can be hard to come by — firearm suicides particularly among older men are rattling communities and families who have been left behind, reports CalMatters’ Ana B. Ibarra. Rural counties in Northern California have some of the country’s highest rates of gun suicides among older adults. In Trinity County, for example, at least eight men 70 and older died from an apparent firearm suicide between 2020 and 2024. Over the course of 15 years, the gun suicide rate of adults in this age group in seven northern counties, including Trinity, was more than triple the statewide rate.  In addition to owning more guns, residents in these areas have more limited access to medical and mental health services. When these services are farther away, people often remain in pain for longer because of missed or delayed appointments. In California, more than half of people 70 and over who died by gun suicide had a contributing physical health problem, and over a quarter had a diagnosed mental health condition. Jake Ritter, on the death of his 81-year-old grandfather, Jeffrey Butler, who had health and pain issues and died in Trinity County in 2024 from a self-inflicted gunshot: “I’m sad that he didn’t get the help that he needed, and I’m sad that he felt so strongly that this is the road that he chose.” Read more here. New law to prevent sex abuse at schools Students in a classroom in Sacramento on May 11, 2022. Photo by Miguel Gutierrez Jr., CalMatters By July 2026 all California K-12 schools — including private schools — must have protocols in place to help protect schoolchildren from being sexually abused by educators, as directed by a new state law, writes CalMatters’ Carolyn Jones. The law, which goes into effect Jan. 1, requires schools to enact a number of measures to rein in abuse and hold themselves accountable, including training students, teachers and other school staff to recognize signs of sexual grooming and report misconduct.  The law’s most notable provision is the creation of a database that keeps track of teachers credibly accused of abuse. The database will be available to schools so that administrators can use it to vet prospective teachers. The database is intended to curb the practice of schools re-hiring teachers who have resigned from another school after being accused of sexual misconduct. Read more here. And lastly: Power-guzzling data centers An employee works in a Broadcom data center in San Jose on Sept. 5, 2025. Photo by Brittany Hosea-Small, Reuters A recent report finds electricity use and carbon emissions from California data centers nearly doubled in recent years, with water use climbing even more. CalMatters’ Alejandro Lazo and video strategy director Robert Meeks have a video segment on the environmental report as part of our partnership with PBS SoCal. Watch it here. SoCalMatters airs at 5:58 p.m. weekdays on PBS SoCal. California Voices CalMatters contributor Jim Newton: Despite making gains on her promise to reduce Los Angeles’ homelessness population, Mayor Karen Bass battles a difficult perception problem. California’s elected leaders must oppose the Trump administration’s plans to expand oil and gas drilling on the state’s public lands, writes Ashley McClure, East Bay physician and co-founder of Climate Health Now. Reader reaction: CARE Court can produce positive results in some cases, but it should not be treated as an automatic path to LPS conservatorship, writes Tom Scott, executive director of the California State Association of Public Administrators, Public Guardians and Public Conservators. Other things worth your time: Some stories may require a subscription to read. State attorneys general sue Trump administration over efforts to shutter CFPB // Politico Why cities spend your tax dollars on lobbyists // The Sacramento Bee  CA’s homeless ‘purgatory’ leaves thousands on a waitlist to nowhere // The San Francisco Standard How Trump broke CA’s grip on the auto market // Politico Central Valley surpassed all of CA in job losses this year // The Fresno Bee How private investors stand to profit from billions in LA County sex abuse settlements // Los Angeles Times San Diego just fast-tracked new fire-safety rules for homes // The San Diego Union-Tribune Chronic illness and longing define life in the Tijuana River valley // inewsource

Faulty Genes Don't Always Lead To Vision Loss, Blindness

By Dennis Thompson HealthDay ReporterTUESDAY, Dec. 23, 2025 (HealthDay News) — Genetics aren’t necessarily destiny for those with mutations thought...

By Dennis Thompson HealthDay ReporterTUESDAY, Dec. 23, 2025 (HealthDay News) — Genetics aren’t necessarily destiny for those with mutations thought to always cause inherited blindness, a new study says.Fewer than 30% of people with these genetic variants wind up blind, even though the faulty genes had been thought to cause blindness in 100% of those with them, according to findings published Dec. 22 in the American Journal of Human Genetics.The results could shake up a central belief in genetics, that faulty genes always lead to rare inherited disorders. These disorders are called Mendelian diseases, named after the famed genetics researcher Gregor Mendel.“These findings are striking and suggest that the traditional paradigm of Mendelian diseases needs to be updated,” senior researcher Dr. Eric Pierce, director of the Ocular Genomics Institute at Mass Eye and Ear in Boston, said in a news release.The study focused on inherited retinal degenerations (IRDs), a group of genetic diseases that lead to progressive vision loss and eventual blindness. They cause the light-sensing cells along the back wall of the eye to break down and die off.For the study, researchers created a list of 167 variants in 33 genes that have been previously linked to IRDs.The team then screened nearly 318,000 people participating in a National Institutes of Health research program for the presence of those variants, and found 481 with IRD-causing genetics.However, only 28% of those people had suffered any form of retinal disease or vision loss, and just 9% had a formal IRD diagnosis, results showed.The team double-checked their work by using data on about 100,000 participants in another large-scale study, the UK Biobank.Again, only 16% to 28% of people with IRD-linked genetics had suffered definite or possible signs of vision loss or retinal damage, researchers said.The results suggest that something else is happening alongside a person’s genetic risk to make them wind up with IRD, including environmental factors or other faulty genes, researchers said.“We think these findings are important for understanding IRDs and other inherited diseases,” researcher Dr. Elizabeth Rossin, an investigator at Mass Eye and Ear, said in a news release.“We look forward to finding modifiers of disease and using that new knowledge to improve care for patients with IRDs and potentially other inherited eye disorders,” Rossin said.Future studies will examine other Mendelian disorders, and look for other genetic and environmental factors that could cause these diseases.“The large number of individuals that do not develop an IRD despite having a compatible genotype provide an opportunity to design well-powered research studies to discover disease modifiers, which could spur development of novel therapies,” lead researcher Dr. Kirill Zaslavsky said in a news release. Zaslavsky performed this research during an Inherited Retinal Disorders fellowship at Mass Eye and Ear.SOURCE: Mass General Brigham, news release, Dec. 22, 2025What This Means For YouPeople with genetics linked to vision loss and blindness might be able to ward off these problems, if researchers figure out what’s behind the diseases.Copyright © 2025 HealthDay. All rights reserved.

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