I have heard that unecessary chemicals in vaccines have been speculated as being a cause for autism. Here is one scientific study that backs up that argument. I have also heard that other consumer products expose us to chemicals which also may contribute to the rising rate of autism among children. What do you think? Does anyone have evidence to the contrary?

Monkeys Get Autism-like Reactions to MMR & Other Vaccines In University of Pittsburgh Vaccine Study | Vactruth.com

A bombshell was probably dropped when the results of a completed macaque monkey (primates) study showed what happened to they were vaccinated. Here's why...