Medically reviewed by Daniel Combs, MD Key Takeaways More than 50 million Americans have a sleep disorder. Insomnia is the ...

Mood disorders include depressive disorders and bipolar disorders. These types of psychiatric disorders affect a person’s emotions and may cause severe lows, called depression, and highs, called mania ...

Medically reviewed by Steffini Stalos, DO Key Takeaways Blood clotting disorders can be inherited or acquired and lead to either excessive bleeding or too much clotting. Hypercoagulable disorders can ...

Guillain-Barré syndrome (GBS) is a rare nerve disorder that can occur after an infection. It develops due to an overreaction of the immune system. There are several types of GBS. Guillain-Barré ...

Paraneoplastic syndromes are a group of symptoms that happen in some people who have small-cell lung cancer (SCLC). Some paraneoplastic syndromes affect your nervous system, including your brain, ...

Multiple sclerosis (MS) is a chronic, often disabling condition that affects the central nervous system, disrupting communication between the brain and body. It’s largely thought to occur when the ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. Back to Healio DESTIN, Fla. — Pinpointing rare subtypes ...

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 ...

Sanfilippo syndrome, also known as mucopolysaccharidosis type III, is a rare life-threatening disorder that interferes with metabolism. While it doesn’t have a cure, some symptoms can be treated to ...

Myeloproliferative neoplasms are blood cancers that affect myeloid stem cells. Treatment can involve targeted medications or careful monitoring. Myeloproliferative disorders are a group of cancers ...