Myeloproliferative disorders include several different conditions that are characterized by excess production of blood cells in the body. They differ based on which type of blood cell is ...

Certain genetic and environmental factors can contribute to its development. Autism spectrum disorder (ASD), or autism, is a broad term used to describe a group of neurodevelopmental conditions.

Psychotic disorders are severe mental health disorders that cause abnormal thinking and perceptions. Persons with a psychotic disorder often lose touch with reality and may experience symptoms like ...

Bipolar I disorder is a mental health condition that causes extreme ups and downs in mood and energy. You might hear it called “manic-depressive disorder” or “manic depression,” which are ...

Bipolar disorder is a mental health condition marked by large shifts in mood from mania to depression. Although bipolar disorder can be challenging to manage, many effective treatments and ...

Individuals with joint hypermobility and the Ehlers-Danlos Syndromes (EDS) are disproportionately affected by neuraxial dysfunction and Central Nervous System (CNS) disorders: such as Spontaneous ...

Their descriptions of narcissistic personality disorder were often so exaggerated and unrealistic that they made narcissists sound as if they were either comic book villains or superheroes.

Brief psychotic disorder is a mental health condition in which psychotic symptoms come on suddenly but last only for a short time — less than one month. After that, people usually recover ...

Neuropathic and myopathic disorders Amyloidosis, Chagas disease, connective tissue disorders, CNS lesions, autonomic diabetic neuropathy, Hirschprung's disease, multiple sclerosis. Idiopathic ...