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Traveler’s constipation is probably real. And the scientific evidence behind it is fascinating.

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.

The appendix is turning out to contain biologically useful tissue that may help prevent nasty gastrointestinal ills.

Some simple techniques might shore up our commitment to being physically active as the seasons change.

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.

Research shows that we can tame anxiety to use it as a resource.

Despite having many friends in their 70s, 80s and 90s, I’ve been far too slow to realize that how we respond to aging is a choice made in the mind, not in the gym.

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

Drink more fluids, consume less sodium and eat a diet that includes calcium-rich foods.

Tai chi moves can be easily learned and executed by people of all ages and states of health, even elderly people in wheelchairs.

More research is done on the therapeutic benefits of dogs than on cats and other animals. But there are signs of change.

When a loved one in another state is ill, virtually attending appointments is only part of the solution.

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.

There may be a lot of bickering, but your memory creates a nostalgia-inducing highlight reel that makes you want to plan the next trip.

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.

Strategies for traveling without letting your phone keep you from enjoying your trip.

For lifelong heart health, start exercising early in life and keep exercising often. But even if you have neglected to exercise and are now middle-aged, it is not too late.

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.

Food companies are capitalizing on the low-carb, gluten-free trend by using vegetables like cauliflower to replace flour, rice and other simple carbs.

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.

The popular fitness trend sounds brutal. But a simple tool can make it speed by.