There are currently six eating disorders recognized in the DSM-5: anorexia nervosa, bulimia nervosa, binge-eating disorder, pica, rumination disorder, and avoidant/restrictive food intake disorder.

Immune system disorders in children include primary (inherited) and secondary (acquired) immunodeficiencies, autoimmune diseases, atopic diseases, and immune-mediated inflammatory disorders. Share on ...

The term “rare blood disorders” describes less common conditions that affect blood cells’ ability to function correctly. Myeloproliferative disorders and lymphoproliferative disorders are two types of ...

Obsessive-compulsive disorder (OCD) occurs when obsessions (persistent, unwanted thoughts) trigger anxiety, causing you to repeatedly engage in compulsions (specific behaviors) to find relief. These ...

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 ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

Blood has many functions and circulates throughout your body. As a result, problems with it can affect you in many ways. Some of those problems can stem from a blood disorder. These disorders can ...

More than 50 million Americans have a sleep disorder. Insomnia is the most common sleep disorder. Sleep apnea can cause breathing to stop 30 or more times in one hour. More than 50 million Americans ...

Bipolar disorder is a long-term mood disorder characterized by major fluctuations in mood — both high and low — that can impact daily functioning and behavior. Although bipolar disorder is a chronic ...