'Schizophrenia gene' discovery sheds light on possible cause

Aired: 1/29/2016 | 0:03:44 | Clip
Medical researchers have discovered a gene that increases the risk of schizophrenia, a mental illness that afflicts more than two million Americans, sometimes causing delusions and hallucinations. Associate Professor of Genetics at Harvard University Steven McCarroll joins Alison Stewart to discuss the findings.

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