Neuroscientist Saw Wang, writing for the New York Times, tries to make some sense out the the science surrounding autism spectrum disorders. He’s particularly interested in the risk factors that are linked to rises in autism. Along the way he compared the risks discovered in scientific studies to the risks reported by the media:

(click twice to embiggen. Or go to the original article)

That last entry is pretty striking. There is no evidence currently that vaccines increase the risk of autism, but it receives more attention than any other factor. Wang seems particularly interested in one of the under-reported factors: