Health

Connecting circulatory systems allowed animals in study to live 6-9 percent longer, lowered their biological age.

Study suggests organ plays vital role in immune health, particularly cancer prevention

Science can protect your dog, but not you. Expert explains why ’90s vaccine for humans disappeared and details efforts to develop a new one.

A new study suggests we are as vulnerable as ever to the emergence of another virus as deadly, or even more so, than COVID-19.

Study finds similar health benefits for those who concentrate workouts 1-2 days a week.

Science has shown that violence among monkeys, rats, and mice increases when the weather is warm. Now it seems we can add dogs to the list.

Anupam Jena and Christopher Worsham sift data to find hidden forces at work in healthcare in new book.

Some doctors call them a godsend, particularly as part of wider treatment plan; others warn against halting research into root causes of obesity.

It might be jarring when a friend, or complete stranger, pulls down their shirt while you’re trying to eat dinner. It’s also an opportunity.

The risk of Lyme disease has increased due to climate change and warmer temperature. A rheumatologist offers advice on how to best avoid ticks while going outdoors.

Alpha-linolenic acid — an omega-3 fatty acid found in many nuts, seeds, and oils — showed the strongest link to slowing the progression and premature death of people living with ALS.

In her new book, professor of psychiatry Luana Marques says that too many mistake symptoms for underlying problem

A new study offers an explanation for why light to moderate alcohol consumption may be associated with lower risk of heart disease.

Can a simple multivitamin stave off age-related cognitive decline? A recent study says yes.

A single dose of a naturally occurring hormone prevented ovulation and conception in female cats for at least two years.

Neurologist explains why recent trial of the drug lecanemab may offer hope for those with deadly disease.

A new study finds ketamine as effective as electroconvulsive therapy (without its major side effects) for the treatment of nonpsychotic, treatment-resistant depression.

It’s a powerful antidepressant, but science needs more answers on out-of-body experiences and other “dissociative effects,” says the first author Fangyun Tian.

A Harvard Medical School study shows the sex hormone estrogen — thus far thought to be only a fuel for breast cancer growth — can directly cause tumor-driving genomic rearrangements.

Researchers identified a first-of-its-kind patient with a genetic predisposition for early-onset Alzheimer’s disease who remained cognitively intact more than two decades beyond the expected age of memory impairment.

Guidance shifts amid troubling breast cancer trends in young and Black women.

During the pandemic, American Indian and Alaska Native populations experienced nearly six times the mortality of white people from alcohol-associated liver disease.

Harvard Chan School of Public Health celebrates opening of $25 million Thich Nhat Hanh Center for research, approaches to mindfulness.

Women who suppressed emotions had less diverse microbiomes in a study that also found a specific bacterial link to happiness.

More than you might assume, say researchers who studied three triggers of severe physiological stress: pregnancy, COVID, and surgery.

Large-scale study finds sugar-sweetened beverages linked with increased risk of cardiovascular disease and premature death for people with Type 2 diabetes.

Two physician-writers who’ve worked on series like “ER,” “SVU,” and “New Amsterdam” discuss medium’s power to educate.

With deaths from alcohol-related disease on rise, rules that deny patients life-saving care need revising, says researcher. How to ensure equity?

The health benefits of animal companions have been supported by science but not society, with the disadvantaged facing similar barriers to pet ownership as they do in securing proper healthcare, experts said at the Harvard T.H. Chan School of Public Health on Monday.

Exposure to fine particulate air pollutants (PM2.5) may increase the risk of developing dementia, according to a new meta-analysis from Harvard T.H. Chan School of Public Health.