Obsessive-compulsive disorder (OCD) is an anxiety disorder in which you have frequent unwanted thoughts that cause you to perform repetitive behaviors.| Cleveland Clinic
Cleveland Clinic’s Health Library provides information about diseases, conditions, treatments and body systems to help answer questions you may have about your health — from the everyday to the complex.| Cleveland Clinic
Learn more about our voice, writing process and commitment to all readers.| Cleveland Clinic
Cleveland Clinic advertising supports our core mission and helps us improve our site as a resource for trusted health content. Learn how to advertise with Cleveland Clinic.| Cleveland Clinic
Endorphins are chemicals or hormones that your body releases when it feels pain or stress. Endorphins can be boosted by exercising, eating or having sex.| Cleveland Clinic
Depression is a mood disorder that causes a persistent feeling of sadness and loss of interest in things and activities you once enjoyed. It’s treatable.| Cleveland Clinic
There are seven types of anxiety disorders. Do you know all of them?| Cleveland Clinic
Bipolar disorder is a chronic mood disorder that causes intense shifts in mood, energy levels and behavior. Manic episodes are the main sign of the co| Cleveland Clinic