Amyotrophic lateral sclerosis (ALS)

Lou Gehrig disease; ALS; Upper and lower motor neuron disease; Motor neuron disease

Amyotrophic lateral sclerosis, or ALS, is a disease of the nerve cells in the brain, brain stem and spinal cord that control voluntary muscle movement.

ALS is also known as Lou Gehrig disease.

Central nervous system

The central nervous system is comprised of the brain and spinal cord. The peripheral nervous system includes all peripheral nerves.

Causes

Symptoms

Exams and Tests

Treatment

Support Groups

Outlook (Prognosis)

Possible Complications

When to Contact a Medical Professional

Prevention