My own opinion, after nearly two years of researching autism, vaccines, genetic disorders, and other variables, is this: autism is preventable.  Also, there is no one smoking gun.  As much as parents want to find one thing to blame, there are so many variables contributing to this disease, its not just genetics or just vaccines, its how we live every day and the world we have created that puts 1 in 100 American children on the Spectrum.  Here are the 5 things I think cause Autism.