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Genetic factors are “substantial” in aetiology of autism, study of UK twins finds

BMJ 2015; 350 doi: https://doi.org/10.1136/bmj.h1212 (Published 05 March 2015) Cite this as: BMJ 2015;350:h1212
  1. Jacqui Wise
  1. 1London

Autism spectrum disorder and milder autistic traits are both caused largely by genetic factors, a large UK twin study published in JAMA Psychiatry concludes.

The researchers examined genetic and environmental factors for a risk of autism spectrum disorder and related traits in a population based sample of all pairs of twins born in England and Wales …

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