CNN Health

This condition stops people from breathing properly when they sleep, increasing the risk of heart disease and stroke.

Otto Warmbier, the former North Korean detainee now back in the United States, is suffering from "unresponsive wakefulness," also known as a persistent vegetative state. That means he is awake at times but is not aware of his surroundings or himself.

Rambunctious third-graders filled a classroom in Seattle on a crisp autumn day. One of the students dropped his backpack, and horror ensued.

These are dad jokes we can actually laugh at on Father's Day.

House Majority Whip Steve Scalise remains in critical condition Friday, days after a shooting at an early-morning baseball practice in Alexandria, Virginia.

A broad coalition of state attorneys general from across the country have partnered together on a bipartisan committee to probe the marketing and sales practices of opioid manufacturers.

It was the first day of Jack Viglianco's summer job as a lifeguard. And his training was put to the test just 20 minutes in.

Pediatricians and public health researchers know they have to be on the lookout for lead exposure from paint chips and contaminated drinking water. A new report suggests food -- particularly baby food -- could be a problem, too.

In the immediate aftermath of the 2010 earthquake in Haiti that left 220,000 people dead and 1.5 million displaced, the world responded, pledging more than $13 billion in aid to the devastated country. It was an extraordinary number, and one that still gets Dr. Paul Farmer a little choked up.

Their text messages were meant only for each other. But now hundreds of one young couple's intimate written exchanges have been exposed as the dramatic focus of a trial that could land a woman in jail years after her boyfriend killed himself.

A New Jersey high school is getting new yearbooks after pictures bearing President Trump's name and logo were altered.

The number of high school and middle school students who use e-cigarettes has decreased for the first time according to a report released Thursday by the US Centers for Disease Control and Prevention. E-cigarette use among this group has only been tracked since 2011. Previous reports showed increases in usage. Use of other tobacco products has decreased as well.

Dr. Joel Salinas was in medical school the first time he saw a man die.