Featured series 
Health
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Coffee refill? Go for it, says American Heart Association, with note of caution.
Co-author of new guidance explains how many cups a day are safe — possibly even good for you — and why energy drinks are different
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The best medicine may be free
Forest therapy guide explains what a daily dose of nature does for the body
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Almost everyone she knew growing up were laborers. Now she researches inactivity.
Epidemiologist I-Min Lee has published hundreds of papers on exercise and heart health in her time with the Harvard Alumni Health Study and the Women’s Health Study
Part of the Profiles of Progress series -
Is your cholesterol too high based on latest guidelines?
Study flags elevated LDL levels of 1 in 3 Americans without history of heart disease as major miss for prevention
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Why you should care about first new FDA-approved sunscreen ingredient in 20 years
HMS dermatology professor Hillary Tsibris explains why you should care
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A genetic window on ‘All of Us’
Broad Institute researcher details U.S. biobank’s value as global resource in study of roots of disease, health
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She studies cell lineage in the eye. Now she’s leaving research lineage of her own.
Award-winning biologist Connie Cepko, who advanced work on vision-threatening disease, passes the torch to scientific successors
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NFL players 4 times more likely to die of brain disease, study finds
Despite living longer overall, neurodegenerative mortality risk dramatically elevated
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Losing sleep is bad for individuals. Communities, too?
Researchers look to fill knowledge gap, push for studies of what happens to health of groups when major events disrupt rest
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Think ‘Shark Tank,’ without the teeth
Dermatologist gets advice from investors at Harvard’s ‘Guppy Tank’ on new antibody that could help most sun-sensitive patients
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Tracing evolution of vaccine for cancer, malaria
Technology born out of Harvard labs shows power of collaboration, how path to development seldom follows straight line
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Sunlight is not your enemy
Health benefits outweigh the risks for most of us, according to new book
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It’s good to break a sweat, but don’t sweat the details
‘What’s important is the total amount of human movement.’
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Finding ways to ‘drug the undruggable’ diseases
Greg Verdine’s approach embraces improvisational thinking, ‘crazy stuff,’ and he thinks it may be future of medical research
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A clearer picture of drinking and disease
New study attempts to reconcile conflicting findings on benefits vs. risks
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A promising first for researchers probing mental illness
Anxiety finding a highlight as brain stimulation trial raises new hopes for precision care
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Read before running
New to the sport or just rusty? A rehab doc offers tips on avoiding all-too-common injuries.
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How loneliness became major public health issue
U.K., U.S. experts trace rise in awareness through research, political involvement, pandemic
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Predicting cancer outcomes with a selfie
Slower ‘face aging’ linked to better survival odds, according to second study of AI tool designed to aid precision care
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When stress is a punch to the gut
New study traces network of nerves that disrupt digestion, pointing to potential IBS treatment
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Food as medicine? How nutrition can improve cancer outcomes.
Tufts professor shares early research regarding programs as part of oncology care
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Materializing safe, on-demand living therapeutics
Implantable Living Materials platform offers novel avenues for deploying future microbial medicines
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‘Harvard Thinking’: Breaking the regret cycle
In podcast, experts offer a better way to cope with mistakes and missed opportunities
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Is napping a sign of a deeper health problem?
New study finds link between certain sleep patterns and higher mortality in older adults
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Hantavirus likely to be fully contained but may take time, Hanage says
Disease much deadlier than COVID but a lot harder to spread
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Glint of light in therapy for deadly ALS after decades of struggle
New drug shows researchers ‘this illness can be stopped’
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Simpler is better when it comes to saving lives
Teen, young adult suicides fall from long upward trend after national crisis hotline shifts to three digits
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Should you ask ChatGPT for medical advice?
Physician and AI researcher Adam Rodman says AI can be helpful but has some tips on how, when to use it safely
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Call it his personal Everest
A new study shows that climbing Mount Everest has gotten safer, but still claims climbers’ lives regularly.
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Guide to a healthy gut
Test your knowledge by taking our quiz — featuring advice from doctor’s new book
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What to make of ‘AI psychosis’?
‘Until we know what the term really means, we can’t even begin to understand what’s happening.’
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Hearing breakthrough holds up
Gene therapy yields lasting gains for patients with inherited deafness: ‘How well it worked is really amazing.’
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Dangers coming from inside the house
John D. Spengler reflects on 50-year career of clearing the air — including in hockey rinks and on airplanes
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Blood test has potential to detect earliest signals of Alzheimer’s disease
New study suggests higher levels of pTau217 predict a faster progression, even when initial brain scans appear normal
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Rural U.S. bears heaviest burden accessing dental care
Researchers find 24.7 million Americans live in dental deserts, with transportation and specialty care the steepest barriers
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Psychedelics and the search for truth
Legal scholar sees common interests with law, religion, humanities
