is ALS contagious ?

ALS the amyotrophic lateral sclerosis is till now not proven that a contagious disease is. Epidemiologic everybody can be affected from the ALS disease. The most high incidence of the ALS disease is reported for mysterious reasons to the Italian football players. That's why even the epidemiology of the ALS is not 100% clear if outside factor are helping to the spread of the ALS but it is furthermore considered not contagious