we don't need to wait 3-4 decades. have you noticed the exponential increase in autism, add, so-called autoimmune diseases, not to mention the general dumbed-down intelligence levels in the u.s.?
the people who under-hype the problem are almost practicing a form of subtle abuse. it is called blame the victim for their imagined hysteria. doctors used to do this at the turn of the century to women who would present with diseases, and they did it to aids patients before aids was a recognized illness.