Has scientists discovered why people have Autism?

Question: Has scientists discovered why people have Autism?
- Keywords:
  autism,
  brain,
  neuroscience
Asked by to Daren, Lynne, Phillip, Simon on 18 Jun 2014. This question was also asked by .
- Daren Fearon answered on 18 Jun 2014:
  
  The exact causes of autism are not well known. It is thought that genes that a child inherits from their parents could be involved in causing autism but no specific genes have been identified yet. Environmental factors could also play a role but more research is needed to find the exact cause. The NHS website has more information here if you are interested:
  
  http://www.nhs.uk/Conditions/Autistic-spectrum-disorder/Pages/Causes.aspx

ellathellama commented on 18 Jun 2014:

Thank you, my brother has Autism, OCD and ADHD-it is really fascinating how the brain works!!

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Question: Has scientists discovered why people have Autism?