Autism Mostly Caused By Genetics

A new study has found that autism is strongly linked to a person’s genetic makeup!

According to a study that was published in the Journal JAMA Psychiatry, the likelihood of developing autism is strongly linked to an individual‘s genetic makeup. According to Johns Hopkins Bloomberg School of Public Health, 1 in 59 people is on the Autism Spectrum.

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Portrait Of Extended Family Group In Park

According to the results of the study, there is 81% of autism risk that’s directly associated with hereditary genetics. For the study, researchers looked at data that was compiled from over two million people born between 1998 – 2011 in five different countries, including Israel, Australia, Sweden, Finland, and Denmark. Participants in the study were followed from birth up to the age of sixteen, at which point over 22,000 had been officially diagnosed with autism.

Through access to participants’ family records, researchers were able to look at the parents, siblings, and cousins of children to look for autism diagnoses in different family members. The heritability percentages varied from country to country, with a low of 51% in Finland, and a high of 87% in Israel.

“The current study results provide the strongest evidence to our knowledge to date that the majority of risk for ASD is from genetic factors,” wrote Sven Sandin of the Karolinska Institutet in Sweden and his colleagues in their findings.

There are a variety of other environmental factors that could influence whether or not someone develops autism, but research suggests that the most significant influence is hereditary genetics. Research into autism is being done around the world as researchers attempt to pinpoint the exact cause of autism and ways to treat it.

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