What is als ( lou gehrigs disease )?

Paralysis of muscles: Lou gehrig's disease is also known as amyotrophic lateral sclerosis. The disease attacks nerve cells in the brain and spinal cord that run the muscles that we can normally control. The cause of the disease is not known. In about 10% it is genetic. People with lou gehrig's disease slowly become weak in the arms and legs, and can have difficulty speaking, swallowing, and breathing.

BAD disease: It causes progressive weakness, muscular atrophy and fasciculations, eventual problems with swallowing, breathing, speaking, and often death within 3-5 yrs. Has no known cause, and no cure.