Researchers believe that theirs is the first rigorous statistical evidence that ancient variations in the human genome contribute to autism – each, most likely, having a very small effect. The method investigatorss used in the new study was family-based and compared ‘discordant sibilings,’ one with and one without autism to a separate collection of affected individuals. The sample included over 16,000 people from nearly 4000 families.
from Top Health News – ScienceDaily http://ift.tt/2tu1Ehv
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