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 ...

Lymphoproliferative disorders are a group of diseases that cause an uncontrolled production of lymphocytes, a type of white blood cell. Examples include non-Hodgkin’s lymphoma and certain leukemias.

The theory of types of borderline personality disorder (BPD) is controversial. There is some debate over whether there are various types and what those types may be. BPD is a mental health condition ...

Hyperarousal plays an important role in mental disorders. It influences the severity of insomnia, depression, anxiety, post-traumatic stress disorder (PTSD), and ADHD. Yet it is striking that ...

Immune system disorders in children can involve an underactive, overactive, or misdirected immune response. Main groups include immunodeficiencies, autoimmune diseases, atopic diseases, and ...

Depression is a common and serious mental health condition that comes in many forms. Learn about the distinct types of depression, including bipolar depression and postpartum depression.

Functioning brain cells need a functioning system for picking up the trash and sorting the recycling. But when lysosomes, the cellular sanitation machines responsible for those tasks, break down or ...

Objectives To identify whether patients with arrhythmia, heart failure or ischaemic heart disease presenting with anxiety ...

Both schizoaffective disorder and schizophrenia cause psychosis. With schizoaffective disorder, however, you may also have prominent mood symptoms. In schizophrenia, people don’t typically have mood ...

Experts say the research could reveal more about the role of genetics in autism and lead to more personalized care. A new study has identified four biologically distinct subtypes of autism, each with ...