Any website that presents autism as a disease is to be avoided as source material, especially if they also go on about finding a cure.
Autism is not a disease; it is a collection of traits and behaviors with no known genetic, viral, or bacterial cause; it is not contagious - thus it is NOT a disease.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.