Do childhood vaccines cause autism? (KSDK, St. Louis)
No.
Vaccinations do not cause autism.
Source. Source. Source.

The theory linking autism to a vaccine or something in vaccines (such as the mercury-based preservative thimerosal) has a certain simple elegance: A young child is developing normally. The child gets a vaccine. “Overnight,” the child changes dramatically, perhaps losing speech, having terrible gastrointestinal problems, lining up objects, spinning, flapping her or his hands, not responding to the people and the world around her or him—-”developing” or “becoming” autistic. Today on Assymetrical Information at The Atlantic.com, Megan McArdle writes that claims of a vaccine-autism link are based on associative thinking that confuses correlation with causation:
Our brains are designed to learn …read more