Multiple sclerosis
http://www.nature.com/nature/journal/v540/n7631_supp/full/540S2a.html
Multiple sclerosis often strikes between the ages of 20 and 40, when people are entering the workforce and raising families.
http://www.nature.com/nature/journal/v540/n7631_supp/full/540S2a.html
Multiple sclerosis often strikes between the ages of 20 and 40, when people are entering the workforce and raising families.