Rigorous workout could induce ALS in individuals with genetic threat

Exercise might result in the onset of the fatal nerve disorder amyotrophic lateral sclerosis (ALS), a new review finds. 

The investigate showed that men and women who exercised vigorously, and who also carried genes tied to ALS, designed the condition at more youthful ages than those who were sedentary. The conclusions recommend that training could exacerbate a genetic predisposition to the devastating illness.