Overview Attention-deficit/hyperactivity disorder (ADHD) is marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development. People with ADHD experience an

Overview Bipolar disorder (formerly called manic-depressive illness or manic depression) is a mental illness that causes unusual shifts in mood, energy, activity levels, concentration, and

Overview Post-traumatic stress disorder (PTSD) is a disorder that develops in some people who have experienced a shocking, scary, or dangerous event. It is natural

Overview Depression (also called major depressive disorder or clinical depression) is a common but serious mood disorder. It causes severe symptoms that affect how you

Overview Occasional anxiety is a normal part of life. Many people worry about things such as health, money, or family problems. But anxiety disorders involve