kids get most of their vaccines before school. symptoms of autism show up at about the same time. people being people like to make the connection that vaccines cause autism. rigorous studies show otherwise. thimerosal is an espeically nice target because it contains mercury. and mercury is definitely a poison that affects the nervous system. it's not real dangerous to adults. you just sweat it out. but then adult brains aren't still developing. children brains are. and that's a very delicate process with plenty of opportunity for things to go wrong. the problem is, vaccines just don't have enough mercury to be a plausible cause. however, my favorite bugaboo, corn syrup, does. as has been recently revealed. preschool is when kids are introduced to candy and juice and other things made of corrn syrup. i'm thinking a constant low level exposure to this poison can have devastating effects on people who are genetically the most sensitive to it.