It's a myth spread by Jenny McCarthy so that parents won't get their children inoculated. You see, she's anti-vaccine because she's a witch who feeds off of the life force of small children, and it's easier to eat when they're sick.
Vaccinations, car exhaust, Tylenol, North Korea, hats, bath salts, cats, more hats, Valve Software, Sanic, Pokemon, fucking hats, social justice, Israel, Iran, HFCS, the list goes on and on.
My mom was nearly 40 when she had me (like barb) and I wonder if a lot of my problems (struggling In school, work, because i have trouble learning) stem from that.
Partly genetics, partly older parents, and mostly misdiagnosing things like bipolar, schizoaffective disorder, Klinefelter and Turner syndromes and congenital brain damage.