Mental illnesses share common DNA roots, study finds

The biggest study yet into genetics and mental health has come up with a stunning result: The five most common mental illnesses -- autism, attention deficit disorder, bipolar disease, schizophrenia and major depression -- all have a common genetic root...

...it demonstrated on a genetic level that the five diseases are more like a continuum of dysfunction than five separate and discrete conditions.

Mental illnesses share common DNA roots, study finds