CNN Health

When's the last time you did something that was so engaging, so much fun, you lost track of time?

Scientists have developed a cutting-edge knee band that records the cringe-worthy sounds inside of your knee. The sounds can help doctors monitor the recovery process of a knee injury or track the success of a juvenile arthritis therapy, they say.

Nearly a million children ages 6 to 12 played tackle football in the United States in 2016, according to an industry group -- that's lower than five years earlier, but participation is starting to climb.

The President's opioid commission on Wednesday recommended nationwide drug courts to help place substance abusers into treatment rather than sending them into the prison system.

Floating in zero gravity can put quite the squeeze on the human brain, according to a study published in the New England Journal of Medicine on Wednesday.

"A Bad Moms Christmas," the new comedy starring Mila Kunis, Kristen Bell and Kathryn Hahn, is the story of three mothers' rebellion against the often-invisible labor imposed on women during the holiday season.

Miguel Cervantes and his wife, Kelly, welcomed daughter Adelaide in October 2015. They sensed that something was amiss early on.

How do children view and experience apologies? And what do parents think about when to prompt their young ones to apologize?

Water drawn from wells at a hazardous waste site in hurricane-hit Puerto Rico meets federal drinking water standards and is fit for consumption, the US Environmental Protection Agency said in a news release on Tuesday.

The US Food and Drug Administration called into question Monday the health claim that soy protein reduces heart disease risk.

Puerto Rico is desperate.

Two-year-old Zéa Lane began her battle to survive stage 4 cancer at just 3 months old.

The College of Charleston is looking into whether a student broke its code of conduct when he wore an orange jumpsuit with the words "Freddie Gray" taped on it to a Halloween party.

The US Consumer Product Safety Commission announced last week the recall of two baby products: Fisher-Price Soothing Motions Seats and PlanToys Baby Gyms. No injuries have been reported with either product.

If Halloween is your excuse for endlessly indulging in candy (and of course it is), go slow on the black licorice.

Two issues are the cause of a plethora of diseases and health conditions affecting people worldwide: smoking and obesity.

The photo is shocking. A young mother passed out in the front seat of her car, a syringe clutched in her fist. In the backseat, her infant son, crying. That was exactly year ago this month -- but for Erika Hurt, it might as well be a lifetime.

Climate change is already affecting the health of populations around the world, but things are set to get worse if adequate changes aren't made, according to an international consortium of climate experts.

Halloween is usually full of fun and adventure -- and candy -- making it a favorite holiday for many.

Atlanta -- A prospective sheriff's deputy is suing a Louisiana sheriff for discrimination, claiming he was offered a job, only to have it rescinded after a medical exam showed he was positive for HIV.