Narcolepsy

What Is Narcolepsy? Narcolepsy (NAR-ko-lep-se) is a disorder that causes periods of extreme daytime sleepiness. It…

Myasthenia Gravis

Myasthenia gravis is a chronic autoimmune neuromuscular disease characterized by varying degrees of weakness of the…

Myalgia

Myalgia means “muscle pain” and is a symptom of many diseases and disorders. The most common…

Muscular Dystrophy

Muscular dystrophy (MD) is a genetic disorder that weakens the muscles that help the body move.…

Multiple Sclerosis

Multiple sclerosis (abbreviated MS, also known as disseminated sclerosis or encephalomyelitis disseminata) is an autoimmune condition…

Migraine

Overview A migraine headache is a throbbing or pulsating headache that is often one sided (unilateral)…

Meningitis

What is meningitis? Meningitis is an infection of the coverings around the brain and spinal cord.…

Lumbar Puncture

A lumbar puncture (also called a spinal tap) is a procedure to collect and look at…

Learning Disorders

In the United States and Canada, the terms learning disability, learning disabilities, and learning disorders (LD)…

Learning Disability

Learning Disability is a general term that describes specific kinds of learning problems. A learning disability…