What causes autism?
The exact cause of ASD is unknown. The most current research demonstrates that there’s no single cause.
Some of the suspected risk factors for autism include:
1.having an immediate family member with autism
3.fragile X syndrome and other genetic disorders
4.being born to older parents
5.low birth weight
7.exposure to heavy metals and environmental toxins
a history of viral infections
fetal exposure to the medications valproic acid (Depakene) or thalidomide (Thalomid)
According to the National Institute of Neurological Disorders and Stroke (NINDS), both genetics and environment may determine whether a person develops autism.
Multiple sources, old and newTrusted Source, have concluded that the disorder isn’t caused by vaccines, however.
A controversial 1998 study proposed a link between autism and the measles, mumps, and rubella (MMR) vaccine. However, that study has been debunked by other research and was eventually retracted in 2010Trusted Source.
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