Genetic and environmental factors in major depression.

摘要: A study of 48 individuals with major depression in a sample 443 adoptees has shown that is positively but not significantly correlated biologic background affective disorder. Both primary and secondary was several environmental factors. In males, an adoptive home where another individual had alcohol problem increased depression; females, death parent prior to adoptee age 19 family behavior disturbance depression. Results suggest the factors occurring 18 predisposed