Seniors over 80 who eat specific diet may be less likely to reach 100 years old

Older adults who avoid meat in their golden years may be less likely to reach age 100 than their meat-eating counterparts, new research suggests.

Researchers tracked more than 5,000 adults aged 80 or older who were enrolled in the Chinese Longitudinal Healthy Longevity Survey.

Between 1998 and 2018, data showed that those who did not eat meat were less likely to reach their 100th birthday than those who consumed animal products regularly.

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The findings seem to contradict previous studies that have linked vegetarianism and plant-based diets to lower risks of heart disease, stroke, diabetes and obesity.

Most evidence supporting the benefits of plant-based diets comes from studies tracking younger populations, the researchers noted. 

The study, published in The American Journal of Clinical Nutrition, points to losses in muscle mass and bone density with age, shifts that can increase the risk of malnutrition and frailty in the "oldest old."

As people enter their 80s and 90s, the nutritional priority often shifts from preventing long-term chronic diseases to maintaining day-to-day physical function, experts say.

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"The headline ‘vegetarians over 80 less likely to reach 100’ sounds surprising, because it contrasts with decades of data linking plant‑forward diets to lower chronic disease risk earlier in life," Erin Palinski-Wade, a New Jersey-based registered dietitian, told Fox News Digital. 

"However, once you see that this research is limited to adults over the age of 80 who are also underweight — and that this link disappears with the consumption of eggs, dairy and fish — the results are less surprising."

In those over 80, restricting animal proteins may be less likely to promote longevity, according to Palinski-Wade, who was not involved in the study.

Eliminating all animal protein — particularly in a population that may already experience diminished hunger cues — can make it more difficult to meet adequate protein needs, potentially increasing the risk of nutrient deficiencies, the nutritionist said.

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In addition to a higher tendency to be underweight, older populations also face a greater risk of bone fractures due to lower calcium and protein intake.

The lower rate of vegetarians reaching 100 was only observed in participants identified as underweight, the researchers noted. No such association was found in people who maintained a healthy weight.

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Because being underweight is already linked to greater frailty and mortality risk, the researchers noted that body weight may partly explain the findings, making it difficult to determine whether diet itself played a direct role.

Additionally, the shortened lifespans were not found in people who continued to eat non-meat animal products, such as fish, dairy and eggs. 

Older adults with these more flexible diets were just as likely to live to 100 as those eating meat, as these foods may provide the nutrients necessary for maintaining muscle and bone health, the researchers noted.

"This is an observational study, so it can only show associations, and does not prove that avoiding meat directly reduces the odds of reaching 100," Palinski-Wade added.

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The researchers suggested that including small amounts of animal-sourced foods could help older seniors maintain essential nutrients and avoid the muscle loss often seen in those who stick strictly to plants.

Palinski-Wade offered some guidance for those looking to optimize nutrition later in life.

"For adults in their 80s and beyond, especially anyone losing weight or muscle, the priority should be maintaining a healthy weight and meeting protein and micronutrient needs — even if that means adding or increasing fish, eggs, dairy or well‑planned, fortified plant proteins and supplements."

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Strict vegan or very low‑protein patterns at that age should be carefully monitored by a dietitian or clinician, with attention to B12, vitamin D, calcium and total protein, according to Palinski-Wade.

"Younger and healthier adults can still confidently use plant‑forward or vegetarian patterns to lower long‑term chronic disease risk," she added.

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Punch the monkey, viral star, experiences dramatic breakthrough among zoo mates

In a dramatic turn of events that's captured the attention of animal lovers worldwide, Punch — the young macaque at a zoo in Japan famous for his inseparable bond with a stuffed orangutan toy — has reached a major milestone in his journey toward social integration.

On Thursday, visitors and staff at the Ichikawa Zoological and Botanical Garden witnessed a breakthrough: Punch was seen cuddling with and hitching a ride on the back of a fellow macaque.

Punch’s story began with hardship. He was abandoned by his mother shortly after his birth in July 2025 — and to ensure his survival, zookeepers stepped in to hand-rear the primate.

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On Jan. 19, 2026, the zoo officially began the process of reintegrating Punch into the "monkey mountain" enclosure.

The transition was initially fraught with tension. 

As a hand-reared infant, Punch was bullied and ignored by the established group of monkeys.

He was often seen huddled alone with his orange plush companion while the rest of the troop interacted.

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In an official statement released Feb. 27, the Ichikawa Zoological and Botanical Garden detailed the meticulous care behind this process.

"From an animal welfare perspective, our primary goal is to reintegrate Punch with the troop," the zoo said. 

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The strategy involved nursing Punch within the enclosure, so the troop could recognize him as one of their own, and pairing him with a gentle young female macaque prior to his full release to build his confidence.

The latest footage, captured by X user @tate_gf, suggested the zoo's patience is paying off. 

The video shows Punch seeking physical contact not from his toy, but from another monkey — eventually climbing onto its back for a vital social behavior for young macaques: the "piggyback ride."

While Punch still carries his stuffed toy for comfort during moments of perceived danger, the zoo remains optimistic about his progress. 

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The organization cited the successful 2009 case of Otome, another hand-reared macaque who eventually outgrew her stuffed toy, successfully integrated — and went on to raise four offspring of her own.

The zoo has had crowds coming to see Punch, with hundreds of people lining up to get inside to see the young star, according to reports. 

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"I'm hoping Punch has a good life like everybody else does, and think he's a cute little guy," one person commented online. 

"Such a precious baby," another person wrote. 

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Diabetes breakthrough approach could protect cells and prevent disease

Researchers have developed an mRNA therapy that could help prevent or slow the development of type 1 diabetes.

With this chronic autoimmune disease, the body’s immune system attacks and destroys insulin-producing beta cells in the pancreas, according to the American Diabetes Association. People with type 1 diabetes must take insulin daily to survive and manage blood sugar levels.

Aiming to prevent the disease — which affects around 1.9 million Americans — University of Chicago researchers developed a "nanoparticle" system that sends genetic instructions (messenger RNA) directly to the cells that produce insulin, according to a press release.

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When the mRNA entered the cells, it triggered them to produce PD-L1, a protein that can protect against immune attacks. The protein has been shown to prevent autoimmune disease, inflammation and damage to healthy tissues during infection, the researchers noted.

In early animal testing, the nanoparticles reached the target cells and triggered the protective effect. The approach was also shown to be effective in animal models where human beta cells were transplanted into mice, the release stated.

The findings were published in the journal Cell Reports Medicine.

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"In this initial therapeutic proof of concept, we showed that we were able to deliver PD-L1 mRNA with our nanoparticle system, enable a delay in type 1 diabetes progression in mice, and also show potential translational relevance within human cells," said lead study author Jacob Enriquez, Ph.D., a postdoctoral scholar at UChicago, in the release. 

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"So not only have we provided a vehicle for delivery to beta cells, which is innovative and exciting, but we've also shown that they can produce PD-L1 for immune protection."

The study’s main limitation was that it was conducted in laboratory and animal models and not in humans. It also did not explore long-term safety implications or how long the protection lasted.

Further testing is needed to confirm safety, dosing and effectiveness before human trials, the researchers noted.

If future human studies confirm these findings, the approach could serve as a new way to prevent or delay type 1 diabetes by protecting insulin-producing cells, the researchers stated. Current prevention strategies often involve broadly modifying the immune system to slow the autoimmune attack on insulin-producing cells.

"This is generating a new level of excitement, because now we're thinking about engineering beta cells with the knowledge we've accumulated over the years," said co-author Raghu G. Mirmira, who is also director of the UChicago Diabetes Research and Training Center.

"Going forward, it's a promising tool because we can target a specific cell type without harming other cells."

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The study received funding from Breakthrough T1D and the National Institutes of Health.

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Missiles above, newborns below: Israeli hospitals shift critical care underground

TEL AVIV, Israel: The Israeli Health Ministry reported Monday that 777 people have been evacuated to hospitals since the start of the joint Israeli-U.S. war against Iran.

At least 10 people were killed directly by Iranian missile attacks on Israel, and two died on their way to shelters.

Since fighting began Saturday morning, hospitals nationwide have restructured operations, relocating patients underground to maintain functionality.

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"See, this child," professor Efrat Bron-Harlev, CEO of Schneider Children's Medical Center, told Fox News Digital, pointing to a young patient. "This cart is his artificial heart. He has been living here while waiting for a heart transplant. He moved to the underground area together with 119 other children. This is not just a hospital — it’s his home."

Schneider Children’s Medical Center has so far treated three children injured as a result of the war. The greater challenge, Bron-Harlev said, is continuing to care for all existing patients as missile sirens sound across the country.

All patients have been relocated to level minus one. Standing in a corridor, Bron-Harlev explained that if a missile were to strike at that moment, those present would need to move behind the heavy doors of reinforced areas for protection.

Once sealed, she said, the fortified section is designed to withstand even a direct missile hit and continue operating as a unit for a limited time. "We have electricity supplied by large batteries located in another sheltered area, as well as oxygen and air," she said. "How long we could remain there would depend on the extent of damage to the overall building. A catastrophic strike on the oxygen tanks, for example, would affect how long we could stay."

Lessons learned from the June 2025, 12-day war include establishing a separate unit for bone marrow transplant patients with an independent ventilation system. Fresh air enters and exits the space without circulating from the regular ward, protecting the children not only from missile threats but also from potential infections from other patients.

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In the event of a mass-casualty incident involving severely ill children, the hospital has prepared an intensive care unit capable of accommodating up to 20 patients at a time.

The staff’s underground dining room has been converted into a dormitory for parents. Although there was not enough time to construct fully fortified operating rooms, Bron-Harlev said part of the neonatal intensive care unit has been transformed into a restricted-access surgical area.

"We are performing only emergency surgeries," she said. "We have created two provisional but fortified operating rooms that will function until the permanent ones currently under construction are ready. Two are sufficient for now for emergency procedures. I hope we will not face a situation in which 10 children arrive from a major incident needing surgery, but even then, we could operate on them one after the other."

At the nearby adult hospital, which is part of the same complex — Rabin Medical Center —17 people were treated as a result of the war. The hospital has moved 500 beds 60 meters underground.

Schneider Children’s Medical Center and Rabin Medical Center are two of 14 hospitals operated by Clalit Health Services, the largest healthcare organization in Israel, providing day-to-day primary care, specialty care, and hospital care to over 5 million Israelis.

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During the 12-day war, Prof. Ran Balicer, Deputy Director General and Chief of Innovation at Clalit Health Services, told Fox News Digital that a missile targeted Soroka Hospital in Beersheba and hit a building that had fortunately been evacuated the day before.

"We’ve learned a lesson about the importance of preparing for attacks of Iranians targeting civilians in general and hospitals in particular," he said.

In the 24 hours following the start of the war, all patients not in safe areas were moved underground, where staff can focus on care despite the threats. The parking lot, Balicer explained, is more condensed than a normal ward.

"There are challenges from congestion to infection control and privacy, there are no windows, all of the noise and the pressure is in, it’s a mental and physical strain on the staff, but they are here to do what they vowed to do," he said.

The area includes stockpiles of food, oxygen, and medical supplies. The hospital also focuses on virtual care and digital health to provide effective care without requiring patients to come in.

War-associated wounds, Balicer said, include limb injuries and other severe trauma. "Our rate of mortality on the frontlines is the lowest compared to anywhere else in the world. As such we have to really be effective in rehabilitation work," he said.

The line between the frontlines and the homefront in terms of injuries is no longer clear-cut.

"They target civilians like they are on the frontlines, they aim deliberately to strike and hurt civilians with weapons that aim to inflict mass-casualty events," he said.

Israeli hospitals are also being secured by IDF soldiers deployed to assist with moving patients during missile alerts, if necessary, and to coordinate the arrival of casualties.

Major S., head of operations in the IDF’s search and rescue unit, told Fox News Digital that the forces are preparing for a prolonged campaign.

"The last operation lasted only 12 days, and it was very significant for our unit, but this time is different," she said.

"Our mindset is that this will not end until it is over for good. As the war continues, we are facing attacks from additional fronts, including Hezbollah in Lebanon and potentially the Houthis in Yemen. We are ready for every scenario," she added.

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ChatGPT could miss your serious medical emergency, new study suggests

This story discusses suicide. If you or someone you know is having thoughts of suicide, please contact the Suicide & Crisis Lifeline at 988 or 1-800-273-TALK (8255).

Artificial intelligence has been touted as a boon to healthcare, but a new study has revealed its potential shortcomings when it comes to giving medical advice.

In January, OpenAI launched ChatGPT Health, the medical-focused version of the popular chatbot tool. 

The company introduced the tool as "a dedicated experience that securely brings your health information and ChatGPT’s intelligence together, to help you feel more informed, prepared and confident navigating your health."

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But researchers at the Icahn School of Medicine at Mount Sinai have found that the tool failed to recommend emergency care for a "significant number" of serious medical cases.

The study, published in the journal Nature Medicine on Feb. 23, aimed to explore how ChatGPT Health — which is reported to have about 40 million users daily — handles situations where people are asking whether to seek emergency care.

"Right now, no independent body evaluates these products before they reach the public," lead author Ashwin Ramaswamy, M.D., instructor of urology at the Icahn School of Medicine at Mount Sinai in New York City, told Fox News Digital.

"We wouldn't accept that for a medication or a medical device, and we shouldn't accept it for a product that tens of millions of people are using to make health decisions."

The team created 60 clinical scenarios across 21 medical specialties, ranging from minor conditions to true medical emergencies.

Three independent physicians then assigned an appropriate level of urgency for each case, based on published clinical practice guidelines in 56 medical societies.

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The researchers conducted 960 interactions with ChatGPT Health to see how the tool responded, taking into account gender, race, barriers to care and "social dynamics."

While "clear-cut emergencies" — such as stroke or severe allergy — were generally handled well, the researchers found that the tool "under-triaged" many urgent medical issues.  

For example, in one asthma scenario, the system acknowledged that the patient was showing early signs of respiratory failure — but still recommended waiting instead of seeking emergency care.

"ChatGPT Health performs well in medium-severity cases, but fails at both ends of the spectrum — the cases where getting it right matters most," Ramaswamy told Fox News Digital. "It under-triaged over half of genuine emergencies and over-triaged roughly two-thirds of mild cases that clinical guidelines say should be managed at home."

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Under-triage can be life-threatening, the doctor noted, while over-triage can overwhelm emergency departments and delay care for those in real need.

Researchers also identified inconsistencies in suicide risk alerts. In some cases, it directed users to the 988 Suicide and Crisis Lifeline in lower-risk scenarios, and in others, it failed to offer that recommendation even when a person discussed suicidal ideations.

"The suicide guardrail failure was the most alarming," study co-author Girish N. Nadkarni, M.D., chief AI officer of the Mount Sinai Health System, told Fox News Digital.

ChatGPT Health is designed to show a crisis intervention banner when someone describes thoughts of self-harm, the researcher noted.

"We tested it with a 27-year-old patient who said he'd been thinking about taking a lot of pills," Nadkarni said. "When he described his symptoms alone, the banner appeared 100% of the time. Then we added normal lab results — same patient, same words, same severity — and the banner vanished." 

"A safety feature that works perfectly in one context and completely fails in a nearly identical context … is a fundamental safety problem."

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The researchers were also surprised by the social influence aspect.

"When a family member in the scenario said ‘it's nothing serious’ — which happens all the time in real life — the system became nearly 12 times more likely to downplay the patient's symptoms," Nadkarni said. "Everyone has a spouse or parent who tells them they're overreacting. The AI shouldn't be agreeing with them during a potential emergency."

Fox News Digital reached out to Open AI, creator of ChatGPT, requesting comment.

Dr. Marc Siegel, Fox News senior medical analyst, called the new study "important." 

"It underlines the principle that while large language models can triage clear-cut emergencies, they have much more trouble with nuanced situations," Siegel, who was not involved in the study, told Fox News Digital. 

"This is where doctors and clinical judgment come in — knowing the nuances of a patient's history and how they report symptoms and their approach to health."

ChatGPT and other LLMs can be helpful tools, Siegel said, but they "should not be used to give medical direction."

"Machine learning and continued input of data can help, but will never compensate for the essential problem – human judgment is needed to decide whether something is a true emergency or not."

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Dr. Harvey Castro, an emergency physician and AI expert in Texas, echoed the importance of the study, calling it "exactly the kind of independent safety evaluation we need."

"Innovation moves fast. Oversight has to move just as fast," Castro, who also did not work on the study, told Fox News Digital. "In healthcare, the most dangerous mistakes happen at the extremes, when something looks mild but is actually catastrophic. That’s where clinical judgment matters most, and where AI must be stress-tested."

The researchers acknowledged some potential limitations in the study design.

"We used physician-written clinical scenarios rather than real patient conversations, and we tested at a single point in time — these systems update frequently, so performance may change," Ramaswamy told Fox News Digital.

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Additionally, most of the missed emergencies happened in situations where the danger depended on how the condition was changing over time. It’s not clear whether the same problem would happen with acute medical emergencies.

Because the system had to choose just one fixed urgency category, the test may not reflect the more nuanced advice it might give in a back-and-forth conversation, the researchers noted. 

Also, the study wasn’t large enough to confidently detect small differences in how recommendations might vary by race or gender.

"We need continuous auditing, not one-time studies," Castro noted. "These systems update frequently, so evaluation must be ongoing."

The researchers emphasized the importance of seeking immediate care for serious issues.

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"If something feels seriously wrong — chest pain, difficulty breathing, a severe allergic reaction, thoughts of self-harm — go to the emergency department or call 988," Ramaswamy advised. "Don't wait for an AI to tell you it's OK."

The researchers noted that they support the use of AI to improve healthcare access, and that they didn’t conduct the study to "tear down the technology."

"These tools can be genuinely useful for the right things — understanding a diagnosis you've already received, looking up what your medications do and their side effects, or getting answers to questions that didn't get fully addressed in a short doctor's visit," Ramaswamy said. 

"That's a very different use case from deciding whether you need emergency care. Treat them as a complement to your doctor, not a replacement."

Castro agreed that the benefits of AI health tools should be weighed against the risks.

"AI health tools can increase access, reduce unnecessary visits and empower patients with information," he said. "They are not inherently unsafe, but they are not yet substitutes for clinical judgment."

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"This study doesn’t mean we abandon AI in healthcare," he went on. "It means we mature it. Independent testing and stronger guardrails will determine whether AI becomes a safety net or a liability."

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Diabetes surge among Americans could be driven by 'healthy' breakfasts, doctor warns

Americans consume foods every day that are marketed as "healthy," when they could be quietly destroying their health, one doctor warns.

Dr. Mark Hyman, physician and co-founder of Function Health in California, says that much of America’s daily diet is filled with unhealthy ingredients.

"The amount of refined starches and sugars that are everywhere is just staggering to me, given what we know about how harmful they are," he shared in an interview with Fox News Digital. "I don't think people really understand."

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Hyman, author of the new book "Food Fix Uncensored," said he’s "astounded" by what people are eating, especially for breakfast.

"People just eat sugar for breakfast," he said. "They have muffins, they have bagels, they have croissants, they have sugar-sweetened coffees and teas."

In addition to the traditionally sweet options for breakfast, some cereal brands and breakfast staples have adopted new "protein-packed" menu items and products, following health trends that encourage eating more protein.

"Now, we're seeing this halo of protein in certain things," Hyman said, mentioning that many protein smoothies are "full of sugar."

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The doctor also noted that some popular cereals are now marketed as having protein in them. "My joke is, if it has a health claim on the label, it's definitely bad for you," he said.

Instead of starting the day with a "quick fix" or processed food, Hyman suggests choosing whole sources of protein and fat for breakfast, adding that "if there's a little carbohydrate in there, it's fine."

For his own breakfast, Hyman said he has a protein shake with whey protein, avocado and frozen berries. Eggs and avocados are also a great protein-and-fat combo option, he added.

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"It’s not that complicated — people need to just think about their breakfast not being dessert," he said. "No wonder we're in this cycle of obesity and diabetes. One in three teenage kids now has type 2 diabetes or pre-diabetes. That's just criminal."

Instead of counting calories and being in a caloric deficit as a way to lose weight and stay healthy, Hyman instead suggests focusing on how certain foods make you feel and how they impact your health.

"When you look at the way in which different types of calories affect your biology, you can just choose what you're eating, and then you don't have to worry about how much," he told Fox News Digital.

"For example, if you eat a diet that doesn't cause your insulin to spike — which is low in starch and sugar, higher in protein and fat — you won't develop those swings in blood sugar, you won't develop the spikes in insulin, you won't deposit hungry fat … You will break that cycle."

People are more likely to "self-regulate when they eat real food" instead of processed foods, which "bypasses the normal mechanisms of satiety, fullness and brain chemistry," according to Hyman.

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"Ultraprocessed food and junk food or highly processed food is not food," he said. "It doesn't support the health and well-being of an organism. It doesn't do that. It does the opposite."

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Scientists make startling discovery when examining prostate cancer tissue

Small fragments of plastic were found in the tumors of most prostate cancer patients, according to a new study from NYU Langone Health. 

In past studies, microplastics have been found in almost every human organ and in bodily fluids, but their impact on human health still isn’t fully understood.

The researchers analyzed tissue samples from 10 patients with prostate cancer who underwent surgery to remove the entire organ. 

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Using visuals of both benign samples and tumor samples, as well as specialized equipment, the scientists identified plastic particles in 90% of the tumor samples and 70% of benign tissue samples, according to the study press release.

The cancerous tissue contained on average more than double the amount of plastic as healthy prostate tissue samples, the study found. This equates to about 40 micrograms of plastic per gram of tissue compared to 16 micrograms.

Researchers avoided contaminating the samples with other plastics by substituting standard tools with those made of aluminum, cotton and other non-plastic material, the release noted.

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The scientists say this is the first direct evidence linking microplastics to prostate cancer.

"By uncovering yet another potential health concern posed by plastic, our findings highlight the need for stricter regulatory measures to limit the public’s exposure to these substances, which are everywhere in the environment," said senior study author Vittorio Albergamo, assistant professor in the department of pediatrics at NYU Grossman School of Medicine, in the release.

The study findings were presented during the American Society of Clinical Oncology’s Genitourinary Cancers Symposium in San Francisco on Feb. 26.

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"What is most striking is not that microplastics were detected, but that they were found embedded within tumor tissue itself," Dr. David Sidransky, oncologist and medical advisor at SpotitEarly, a startup that offers an at-home breath-based test to detect early-stage cancer, told Fox News Digital.

"We already know microplastics are present in water, air, blood and even placental tissue. Their detection in prostate tumors suggests systemic distribution and long-term bioaccumulation," added Maryland-based Sidransky, who was not involved in the study.

Albergamo cautioned that a larger sample is needed to confirm the findings. Additionally, Sidransky noted that the presence of microplastics alone does not prove they cause cancer.

"Tumors can act as 'biologic sinks,' meaning they may accumulate circulating particles simply because of altered vasculature and permeability," he said.

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A key unanswered question, according to the doctor, is whether microplastics are biologically active in ways that "promote DNA damage, immune modulation or chronic inflammation within the prostate."

About one in eight men in the U.S. will be diagnosed with prostate cancer at some point in their lifetime, according to the Centers for Disease Control and Prevention.

For those concerned about microplastics, Sidransky offered some insights.

"I believe the appropriate response is curiosity, not panic, and a commitment to understand more," he said.

"While complete avoidance is unrealistic, people can take practical steps to reduce exposure, such as minimizing heating food in plastic containers, reducing bottled water consumption when possible, and favoring glass or stainless steel alternatives."

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The most actionable step men can take, however, is getting appropriate screenings to help ensure early detection, according to the doctor. Screening discussions should be individualized based on age, family history and other risk factors.

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