Exercise needs to occur about 4 hours after lesson, study suggests

New policy aims to tackle sleep deprivation among teens

Federal data from 2013-2014 also finds significant differences between states

Opioid fentanyl and related street drugs highly lethal, addiction experts say

Combos Snack Products Recalled

Here are classic warning signs

When they've outgrown a booster, strap them in safely

For starters, pay attention to pollen levels, FDA advises

Canadian study highlights a potential opportunity to improve public health

Deadly melanoma is rare on feet, but often advanced when diagnosed