Schizophrenia not a single disease but multiple genetically distinct disorders
New research suggests that schizophrenia isn’t a single disease but a group of eight genetically distinct disorders, each with its own set of symptoms. The finding, in a study led by researchers at the School of Medicine, could be a first step toward improved diagnosis and treatment for the debilitating psychiatric illness.
Multiple genes make small contributions to alcoholism risk
A genome-wide study into the genetic roots of alcoholism has identified several areas of DNA that appear to contribute to the disease. But researchers say those genes make relatively modest contributions to overall risk of alcoholism.