A new study suggests alcohol use may be one reason why people who stay up late have a greater risk of depression. Sleep quality could be another.

A new study finds more than 30% of kids 5-17 years old are living with a chronic condition such as ADHD, autism, asthma and prediabetes.

A new study finds about 7% of U.S. adults have been at the scene of a mass shooting and 2% have been injured during one.

People who engage in moderate to vigorous physical activity on a regular basis are less likely to develop dementia, stroke, anxiety, depression and sleep disorders, researchers find.

The latest CDC data shows anxiety and depression hitting U.S. adults harder, especially those 18-29 years old.

A new study finds sleep-deprived adults who get the most catch-up sleep on the weekend are 20% less likely to develop heart disease.