Stress, fatigue and too much caffeine may trigger sleep starts, experts say.

Young children have a hard time learning from tablets and TVs, said Dr. Erika Chiappini of the Johns Hopkins University School of Medicine.

Exposure to ultraviolet light via gel nail dryers may raise risk for DNA damage, a new study has found.

A new study suggests few women view breast density as a significant risk factor.

Being sufficiently hydrated might lower your risk for faster aging, a new study has found.

A new study found that women are better empathizers than men.

Holiday responsibilities can rob us of sleep, setting the stage for poor sleep.