Autism and older dads by Tyler Cowen September 5, 2006 at 8:01 am in Science Anti-dork spin: Maybe guys likely to have autistic kids tend not to become dads as early as other guys. That is from Slate. Here is Steve Levitt on the same. Here is The Washington Post and the effect appears very large indeed. Addendum: Using bacteria to fight autism. And here is a satirical (?) treatment of the causes of autism.