There's a long and winding road ahead when it comes to pinpointing the causes of autism. But in recent years and months, the scientific community has come to consensus on many points. For example, there is little doubt that there are many different types of autism -- and many scientists believe that each may have its own cause. As researchers zero in on the biological roots of autism, they will have the tools to develop effective treatments. Read more about Causes of Autism: Recent Findings...