[Last Update: 02 Oct 08]
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Generally, austim is caused by abnormalities in brain structure or function. However, there are many debates on what are the actual cause(s) of this abnormalities in the brain structure. No one actually know for sure but there are couples of possibilities.
Causes may be grouped into 2 big category of:
A) Genetic factor
B) Environmental factors
Most experts will say that autism is probably caused by a combination of genetic and environmental factors. Some factors contributing to ASD symptoms include:
- Genetic
- Toxic Chemical
- Heavy Metal Contamination
- Vaccinations
- Autoimmune/Allergy
- Viral Infections
- Gluten/Casein, Enzyme Deficiency and Yeast Overgrowth
- Metallothionein Theory
