what is als stand for and mean
ALS, or amyotrophic laterals sclerosis, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. A-myo-trophic comes from the Greek language. A means no. Myo refers to muscle, and Trophic means nourishment â No muscle nourishment. When a muscle has no nourishment, it atrophies or wastes away.