Where mood disorders can cause temporary or fluctuating changes in mood, personality disorders cause symptoms that remain consistent over time and across a range of situations. For example, bipolar ...

Mood disorders include depressive disorders and bipolar disorders. These types of psychiatric disorders affect a person’s emotions and may cause severe lows, called depression, and highs, called mania ...

Cannabis sativa, the marijuana plant, contains hundreds of psychoactive substances whose effects vary widely. The two main psychoactive cannabis compounds (cannabinoids) are ...

Is your child often irritable or prone to temper outbursts? Pediatrician Cindy Gellner, MD, clarifies the distinctions between bipolar disorder and Disruptive Mood Dysregulation Disorder (DMDD), ...