The legal limit isn't necessarily what's best for your health.

HEALTH
There could soon be a new option for people plagued with the annoying eye squiggles.
Even the most dedicated night owls can train themselves to become early risers.
And how is it different from crying?
According to a recent study, naturally staggered sleep schedules means that someone is always awake and vigilant.
Several cases have been confirmed in New Mexico. But plague makes an appearance in the U.S.—and worldwide—every year.
We all know that using sunscreen helps to prevent sunburns and skin damage, but we're stumped when it comes to the gibberish slew of letters and numbers on the label.
Your stomach may very well be a key player in keeping your mood balanced.
Identifying problematic gene variants could help researchers develop better treatments.
Scientists say sleeping during the day and working at night could block necessary regeneration of damaged DNA.
LED street lights are good for the environment, but not so much for people's health, the American Medical Association said in a new policy statement.
A new study links Parkinson’s to the body’s immune response to the accumulation of a certain protein.
Dr. Sandra Lee, a.k.a. Dr. Pimple Popper, and other experts weigh in.