article_snippet: Autism is mainly caused by a child’s genes, a major study of British twins has found.
article_snippet: Scientists said that, in the average boy or girl with autism, genetics explain up to 98 per cent of the illness.
article_snippet: Controversial research linking autism with the MMR jab has been widely discredited, but more recent concern has focused on the condition being fuelled by environmental factors such as pollution.
article_snippet: With cases of autism much more common today than in the past, many fear it is also being caused by modern lifestyles.
article_snippet: The news comes after a major study published this week found genetics are the main cause of a child's autism, not lifestyle.
article_snippet: Scientists from King's College London said that, in the average boy or girl with autism, genetics explain up to 98 per cent of the illness.
article_snippet: Controversial research linking autism with the MMR jab has been widely discredited, but more recent concern has focused on the condition being fuelled by environmental factors such as pollution.
article_snippet: Autism is mainly caused by a child’s genes, rather than lifestyle factors, a study published this month found .