The actual causes of Autism are unknown at this time. Biological or environmental variables may be at blame:


1. Based on data from five nations, the heritability of ASD was estimated to be 80%. It suggests that ASD can be caused by inherited genetic effects from either the mother or the father. 2. According to a study of 277 twin pairs, having a sibling with ASD increases the likelihood of having ASD. 3. A research of ten US study sites found that the incidence of ASD increased as parents got older. 4. Pregnant women who took the prescription medicines thalidomide and valproic acid had a greater risk of autism spectrum disorder (ASD). 5. According to another study, the onset of ASD might occur before, during, or after delivery. 6. Children born prematurely are at a higher risk of developing ASD. 7. There is a high prevalence of ASD in children with Down syndrome. ASD is also connected to chromosomal abnormalities such as Fragile X Syndrome and tuberous sclerosis. 8. Environmental contaminants, particularly nitrogen dioxide (NO2), have been linked to ASD. NO2 is produced when cars burn fossil fuels such as coal, oil, or gas. Researchers discovered a relationship between autism and mothers' exposure to NO2 during pregnancy and the first year of life. 9. There is a relationship between the gut and the brain in ASD. Autism is caused by a gene mutation that affects the communication of neurones in the brain. To overcome all these risk factors visit Tomatis® Method Australia for Autism therapy Sydney.

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