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A reader asks: Can you get sick just from sitting in an overly air-conditioned room or going out without a jacket? Or do you need to actually catch a virus?

Eating more protein can significantly augment the effects of lifting weights, a review of research found.

People who played tennis, badminton or soccer tended to live longer than those who cycled, swam or jogged.

Americans advance a lot of theories for why they have so many more gun deaths than other countries do. The answer is lying in plain sight.

Russian Disinformation: From Cold War to Kanye

The muscles of older men and women who have exercised for decades are indistinguishable in many ways from those of healthy 25-year-olds.

In an excerpt from his new book, the NPR host Peter Sagal writes: “If I don’t leave my headphones behind when I run, I wouldn’t spend a single minute of my waking life free from input.”

Ten minutes of mild exercise can immediately alter how certain parts of the brain communicate and coordinate with one another and improve memory function.

Sarcopenia, a decline in skeletal muscle in older people, contributes to loss of independence.

Rewards and punishments are conditional, but our love and positive regard for our kids should be unconditional. Here’s how to change the conversation and the behavior.

Sitting for hours without moving can slow the flow of blood to our brains, according to a cautionary new study of office workers, a finding that could have implications for long-term brain health. But ...

Two new studies look at what happens when we do not exercise or move around much for a period of time.

A growing body of research suggests that our bodies function optimally when we align our eating patterns with our circadian rhythms.

Suddenly at midlife, the gut instinct I had long relied on to make important life decisions left me. Here’s how I learned to get it back.

“Forest bathing,” or immersing yourself in nature, is being embraced by doctors and others as a way to combat stress and improve health.

Some of the exercises in the popular workout are too difficult for athletes of a certain age or body type. Here’s how to make it work for you.

A confidential Justice Department report found the company was aware early on that OxyContin was being crushed and snorted for its powerful narcotic, but continued to promote it as less addictive.

Diet, smoking cessation, stress management and exercise can decrease the size of atherosclerotic plaques and help to stabilize them so that you are less likely to have a heart attack.

Before my illness, I was a healthy 22-year-old. But, my doctors speculated, I must have eaten some leafy greens contaminated by E. coli bacteria.

Emergency room doctors are seeing a growing caseload of nausea and vomiting in marijuana users whose only relief is a long, hot shower.

A banana might reasonably replace sports drinks for those of us who rely on carbohydrates to fuel exercise and speed recovery.

Sixty-eight percent of those 65 and older take vitamin supplements. Much of what we once believed about the benefits is wrong.

Whether you move for long stretches or in sporadic spurts, the effect on overall health can be the same.

Fish clearly has health benefits, but fish oil supplements may not carry the same ones.

Women tend to be the gatekeepers of grandparent relationships and often favor their side of the family, experts say.

Older cyclists are not like most of the rest of us. They are healthier. They are, biologically, younger.

Researchers found that with a dog in the bedroom, both the humans and the dogs slept reasonably well.

The secretive oligarch is one of 13 Russians the special counsel charged on Friday for allegedly meddling in the 2016 U.S. election.

Nine ways to have a healthier relationship with your phone.

Mr. Buffett, who has a new Broadway show, “Escape to Margaritaville,” built a half-billion-dollar empire on his laid-back beach brand. But he’s all business now.