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Fifty million U.S. adults don't get enough sleep. Read 8 Q&A to discover how a sleep study can shed light onto what's happening during the dark of night.

Nicotine is addictive regardless of the delivery method, including cigarettes or electronic cigarettes. Get the ugly truth, learn the warning signs and talk to your kids about the dangers of vaping.

When life gets challenging, the rates of depression, feelings of hopelessness and thoughts of suicide can increase. Here are five things you can do to help teens overcome suicidal thoughts.

Chronic inflammation can damage your body, but eating a combination of healthy foods can reduce its effects. Learn what foods to choose when you shop.

Bill McWhite was vacationing along the Texas Gulf Coast — a time a person would traditionally be relaxing — when his body let him do anything but unwind.

When James Tembrock, 73, of St. Cloud, Minnesota, learned he would need heart valve surgery, he says he never dreamed his search for a less-invasive option would lead him to Eau Claire, Wisconsin.

A Mayo Clinic expert shares what you need to know about expiration dates for at-home COVID-19 tests. Find out if these tests can detect new COVID-19 variants and what to do if the test is positive.

From a tickle in your throat to a chronic cough, you may wonder why you are coughing so much. Learn how to distinguish if your cough is a minor inconvenience or a sign of illness.

Matthew Makela is a 3-year-old who tucks in 20 stuffed animals nightly and gives his younger sister a kiss, hug and farewell at day care drop-off. He's also a kid who had his first cardiac surgery at ...

Women's bodies experience many changes over a lifetime, so it's never too late to educate yourself about what to expect.