ALS (amyotrophic lateral sclerosis) is a progressive neurodegenerative disease that attacks motor neurons, weakens voluntary muscles throughout the body, and leads to paralysis.

​On the following pages, you will find answers to some of the most common questions about ALS, which is also known as Lou Gehrig’s disease and motor neuron disease (MND).

If you would like to download, print, or share the ALS infographic on this page to help educate and raise awareness, you can download the PDF here.