Psychiatric Disease
In a small twin study on Autism and Attention deficit disorder (around 50 twin pairs for each disease and zygosity) twin study, he argued these disorders may be less heritable than previously considered, implicating a significant family-level environment effect.
Read more about this topic: Neil Risch
Famous quotes containing the words psychiatric and/or disease:
“Indeed the involuntary character of psychiatric treatment is at odds with the spirit and ethics of medicine itself.”
—Kate Millett (b. 1934)
“Man is an exception, whatever else he is. If he is not the image of God, then he is a disease of the dust. If it is not true that a divine being fell, then we can only say that one of the animals went entirely off its head.”
—Gilbert Keith Chesterton (1874–1936)