Multiple lines of scientific evidence have shown that thiomersal does not cause autism.

Etiology includes genetic and environmental factors that may cause autism.

The fact is that vaccines save lives; they don't cause autism.

However, a controversy arose around allegations that it caused autism.

And no one has said that there is anything wrong with the town's water that might be causing autism.

What the study did not discover is that TV causes autism.

As such, the idea that vaccines cause autism has been effectively dismissed by the weight of current evidence.

A large study of two vaccines has shown they do not cause autism or other developmental disorders.

But no medical evidence has ever shown that it causes autism.

Instead, today most scientists believe that a combination of genetic and environmental factors cause autism.