A new study finds a dramatic increase in the number of adults using ketamine for recreational purposes. Ketamine is a medical anesthetic that has some hallucinogenic effects.

A new study finds people who take at least 5,000 steps a day experience fewer symptoms of depression.

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

A new study finds using bright light therapy in addition to medication helps ease symptoms of major depressive disorder and bipolar depression.

Researchers find no link between semaglutide, the main ingredient in Ozempic and Wegovy, and depression, suicidal thoughts or behaviors in patients with no prior history of the conditions.