Amyotrophic lateral sclerosis (ALS) is a rapidly progressive, invariably fatal neurological disease that attacks the nerve cells responsible for controlling voluntary muscles.  The disease doesn’t usually  impair a person’s mind or intelligence, however, several recent studies suggest that some patients with ALS may have depression or alterations involving decision-making and memory.  The cause of ALS is not known, and it is still unclear as to … Continue reading New details uncovered about the genetic cause of ALS.