Amyotrophic Lateral Sclerosis (ALS)

Amyotrophic lateral sclerosis is commonly known as ______

ALS affects nerve cells in the ______ and spinal cord

ALS often begins with muscle twitching and weakness in an ______ or leg

Muscles get weaker as more nerve cells ______

There is no ______ for ALS

ALS affects the nerve cells that control voluntary muscle movements such as ______ and talking.

The first group of motor neurons extends from the brain to the spinal cord to muscles throughout the body. They're referred to as upper motor ______.

Researchers continue to study possible causes of ALS. Most theories center on a complex interaction between genes and factors in the ______.

Over time, ALS leads to weakness of the muscles used to ______.

The most common cause of death for people with ALS is ______ failure.