Health
People With A.D.H.D. Are Likely to Die Significantly Earlier Than Their Peers, Study Finds
A study of more than 30,000 British adults diagnosed with attention deficit hyperactivity disorder, or A.D.H.D., found that, on average, they were dying earlier than their counterparts in the general population — around seven years earlier for men, and around nine for women.
The study, which was published Thursday in The British Journal of Psychiatry, is believed to be the first to use all-cause mortality data to estimate life expectancy in people with A.D.H.D. Previous studies have pointed to an array of risks associated with the condition, among them poverty, mental health disorders, smoking and substance abuse.
The authors cautioned that A.D.H.D. is substantially underdiagnosed and that the people in their study — most of them diagnosed as young adults — might be among the more severely affected. Still, they described their findings as “extremely concerning,” highlighting unmet needs that “require urgent attention.”
“It’s a big number, and it is worrying,” said Joshua Stott, a professor of aging and clinical psychology at University College London and an author of the study. “I see it as likely to be more about health inequality than anything else. But it’s quite a big health inequality.”
The study did not identify causes of early death among people with A.D.H.D. but found that they were twice as likely as the general population to smoke or abuse alcohol and that they had far higher rates of autism, self-harming behaviors and personality disorders than the general population. In adulthood, Dr. Stott said, “they find it harder to manage impulses, and have more risky behaviors.”
He said health care systems might need to adjust in order to better serve people with A.D.H.D., who may have sensory sensitivity or difficulty managing time or communicating with clinicians during brief appointments. He said he hoped treatments for substance abuse or depression could be adapted for patients with A.D.H.D.
“If it’s about systems, it’s malleable,” he said. “This doesn’t have to be.”
Previous studies have pointed to an unusual number of early deaths for people with A.D.H.D. A 2022 meta-analysis in the journal JAMA Pediatrics found that deaths from unnatural causes, such as accidents or suicide, were 2.81 times higher among those diagnosed with A.D.H.D. than in the general population.
A 2019 study that used actuarial tables to predict life expectancy concluded that adults diagnosed with A.D.H.D. in childhood had an 8.4-year reduction in life expectancy compared with the general population, something the authors attributed to reduced education and income, higher rates of smoking and alcohol consumption and reduced sleep.
Russell Barkley, the lead author of that study, said the data made it clear that A.D.H.D. should not be seen as a childhood disorder, like bed-wetting, but as a lifelong problem.
“To me, the best analog is diabetes,” said Dr. Barkley, a retired professor of clinical psychology at Virginia Commonwealth University. “This is a disorder that you’ve got to manage, like high blood pressure, like cholesterol and diabetes. You’ve got to treat this for life.”
The new study examined 9,561,450 patients in Britain’s National Health Service primary care practices, among whom 30,039 had been diagnosed with A.D.H.D. Each person in the A.D.H.D. group was matched with 10 peers without the disorder for the purposes of comparison. Among those with A.D.H.D., 193 male patients and 148 female patients died during the follow-up period, which lasted from 2000 to 2019.
Stephen Hinshaw, a professor of psychology at the University of California, Berkeley, who studies A.D.H.D. but was not involved in the new British research, described the study as “a major finding,” the first analysis of deaths of subjects diagnosed with the disorder. He said it was unfortunate that the subjects’ causes of death were not included.
“There are risk factors to work on,” he said. “That is the key limitation of the study, because it would be really important to know, in terms of prevention, should we be focused on suicidality? Better diet and exercise? Depression?”
Diagnosis of A.D.H.D. has shifted in recent years, as clinicians concluded that many older people, especially women and people of color, had gone undiagnosed early in life and could benefit from treatment. As first-time diagnoses surged among older people, prevalence has remained consistent among children, at around 11 percent in the United States and 5 percent in Britain.
Dr. Stott said he hoped that, as these demographic changes took hold, health care systems would make more effort to identify the needs of neurodivergent patients. In past decades, he said, they may have been viewed dismissively by caregivers, as “the naughty kid at school.”
“If you’re constantly told, as a kid, sit down, stop being so naughty — if you talk to people with A.D.H.D., that is their experience — stop talking, go and sit outside,” he said. “It’s all of these things that wear down at your life chances, in many ways.”
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Feeling lonely may take a toll on older adults’ memory — but it may not speed up cognitive decline, according to a new study.
Researchers from Colombia, Spain and Sweden analyzed data from more than 10,000 adults ages 65 to 94 across 12 European countries and found those who reported higher levels of loneliness did worse on memory tests at the start of the study, according to research published this month in the journal Aging & Mental Health.
Over a seven-year period, however, memory decline occurred at a similar rate regardless of how lonely participants felt.
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“The finding that loneliness significantly impacted memory, but not the speed of decline in memory over time was a surprising outcome,” lead author Dr. Luis Carlos Venegas-Sanabria of the School of Medicine and Health Sciences at the Universidad del Rosario said in a statement.
Loneliness may be linked to memory performance in older adults, a new study suggests. (iStock)
“It suggests that loneliness may play a more prominent role in the initial state of memory than in its progressive decline,” Venegas-Sanabria said, adding that the findings highlight the importance of addressing loneliness as a factor in cognitive performance.
The findings add to debate about whether loneliness contributes to dementia risk. While loneliness and social isolation are often considered risk factors for cognitive decline, research results have been mixed.
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The study looked at data from the long-running Survey of Health, Ageing and Retirement in Europe (SHARE), which tracked 10,217 older adults between 2012 and 2019. Participants were asked to recall words immediately and after a delay to measure memory performance.
Social isolation and loneliness could play a surprising role in cognitive health among seniors. (iStock)
Loneliness was assessed using three questions about how often participants felt isolated, left out or lacking companionship.
About 8% of participants reported high levels of loneliness at the outset. That group tended to be older, more likely to be female and more likely to have conditions such as depression.
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Researchers found that those with higher loneliness had lower scores on both immediate and delayed memory tests at baseline. Still, all groups — regardless of loneliness level — experienced similar declines in memory over time.
The results suggest loneliness may not directly accelerate the progression of memory loss, though it remains linked to poorer cognitive performance overall.
Researchers look at a brain scan at the National Institutes of Health in Bethesda, Maryland. (Saul Loeb/AFP/Getty Images)
Experts warn, however, that the findings should not be interpreted to mean loneliness is harmless.
“The finding that lonely older adults start with worse memory but don’t decline faster is actually the most interesting part of the paper, and I think it’s easy to misread,” said Jordan Weiss, Ph.D., a scientific advisor and aging expert at Assisted Living Magazine and a professor at NYU Grossman School of Medicine.
“It likely means loneliness does its damage earlier in life, well before people show up in a study like this at 65-plus,” Weiss told Fox News Digital.
By older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold, an aging expert says. (iStock)
He suggested that by older age, long-term social patterns may already be established, making it harder to detect when the effects of loneliness first took hold.
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“By the time you’re measuring someone in their late 60s, decades of social connection patterns are already baked in,” he said.
Weiss, who was not involved in the research, added that loneliness may coincide with other health conditions, and noted that participants who felt more isolated also had higher rates of depression, high-blood pressure and diabetes. The link, he said, may reflect a cluster of health risks rather than a direct cause.
“While they can go hand-in-hand, it’s not clear that loneliness contributes to dementia,” a psychotherapist says. (iStock)
Amy Morin, a Florida-based psychotherapist and author, said the findings reflect a broader pattern in research on loneliness and brain health, and that the relationship may be more complex than it appears.
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“The evidence shows there’s a link between loneliness and cognitive decline but there’s no direct evidence of a cause and effect relationship,” she said. “So while they can go hand-in-hand, it’s not clear that loneliness contributes to dementia.”
Morin added that loneliness, which can fluctuate, may not be the root of the problem, but rather a symptom of other underlying mental or physical health issues.
Researchers suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging. (iStock)
She said staying socially and mentally engaged is crucial for overall brain health.
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“It’s important to be proactive about social activities,” Morin said. “Joining a book club, having coffee with a friend, or attending faith-based services can be a powerful way to maintain connections in older age.”
The researchers also suggested screening for loneliness be incorporated into routine cognitive assessments as one way to support healthy aging.
Fox News Digital reached out to the researchers for comment.
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Research continues to uncover new details on how fasting may help extend life.
A new study published in the journal Nature Communications investigated how intermittent fasting can boost longevity in small worms often used in aging research.
Researchers from the University of Texas Southwestern Medical Center in Dallas compared worms that were fed normally to those that underwent a 24-hour fast in early adulthood and were then fed again, according to a press release.
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The scientists measured a variety of factors, including stored fat, gene activity related to fat metabolism and lifespan.
The results showed that the life-boosting benefit did not depend on the fasting itself but on the body’s behavior after eating again.
Experts say sustainability is key when choosing a long-term weight-loss strategy. (iStock)
Study lead Peter Douglas, associate professor of molecular biology and a member of the Hamon Center for Regenerative Science and Medicine at UT Southwestern, suggested that these discoveries “shift the focus toward a neglected side of the metabolic coin – the re-feeding phase.”
“Our data suggest that the health-promoting effects of intermittent fasting are not merely a product of the fast itself, but are dependent on how the metabolic machinery recalibrates during the subsequent transition back to a fed state,” he said.
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“Our findings bridge a gap between lipid metabolism and aging research,” he added. “By targeting aging, the single greatest risk factor for human disease, we move beyond treating isolated conditions toward a preventive model of medicine that enhances quality of life for all individuals.”
Lauri Wright, director of nutrition programs at the University of South Florida’s College of Public Health, called this a “high-quality” study that adds an “important nuance to how we think about fasting and longevity.”
Intermittent fasting typically involves limiting meals to an eight-hour daily window or fasting every other day. (iStock)
The benefits of the refeeding phase after fasting were “especially interesting,” Wright, who was not involved in the study, told Fox News Digital.
“The researchers showed that longevity was linked to the body’s ability to turn off fat breakdown after fasting, allowing cells to restore energy balance,” she reiterated.
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“From a scientific standpoint, that’s a meaningful shift because it suggests fasting is not just about burning fat, but about metabolic flexibility.”
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Fasting may support longevity through triggering metabolic switching, enhancing cellular repair and stress resistance and improving markers like insulin sensitivity, research shows.
Limitations and cautions
Although this study provides “important insight” on the power of refeeding, Wright noted that the findings should be approached with caution, as the study was done on worms and cannot always be translated to humans.
“Additionally, it explains how a process might work in a controlled lab condition rather than real-world eating behaviors,” she added as a limitation. “Finally, the study is short-term and doesn’t give us the long-term translation on lifespan outcomes.”
The review found intermittent fasting was barely more effective than doing nothing, according to the study authors. (iStock)
Wright cautioned that fasting is “not a magic solution for longevity, and how you eat overall matters more than when you eat.”
“I advise, first and foremost, to focus on diet quality, including a variety of fruits and vegetables, healthy fats and minimally processed foods,” she said.
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For those who are considering fasting, it’s better to stick with a moderate plan — like a 12- to 14-hour overnight fast — rather than going to extremes, Wright said. After fasting, she recommends focusing on well-balanced meals.
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Several groups of people should be cautioned against fasting, according to Wright, including those with diabetes who are on insulin or hypoglycemic medications, those who are pregnant or breastfeeding, anyone with a history of eating disorders and older adults at risk of malnutrition.
Anyone considering intermittent fasting should consult with a doctor before starting.
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