An expert breaks down four types of SMA and the characteristics of each one.

An expert describes the types of complications she commonly sees as a result of progressive muscle weakness.

An expert outlines two new, approved treatments that can slow down the progression of this neuromuscular disease.

An aneurysm happens when the wall of a blood vessel becomes too thin and bulges out -- sometimes so much it bursts -- causing permanent brain damage.

If your blood flow gets blocked anywhere, it can bring big trouble. One serious effect is a problem known as a mini-stroke, also called a transient ischemic attack.

Tremors are a type of unintentional muscle movement. They’re rhythmic, to-and-fro motions of one or more body parts.

Electromyography is a test that can help your doctor find out why your muscles are sore or weak for no clear reason.

Meningitis is an infection in the tissue that surrounds your brain and spinal cord.