DEPRESSION

Depression And Environmental Risk Factors

Depression And Environmental Risk Factors

Introduction

Patterns of comorbidity suggest that the common psychiatric and substance use syndromes may be divisible into 2 broad groups of internalizing and externalizing disorders. We do not know how genetic and environmental risk factors contribute to this pattern of comorbidity or whether the etiologic structure of these groups differ in men and women. Although prior family and twin studies have examined the relationship between the genetic and environmental risk factors for pairs of psychiatric disorders, the interrelationship between these classes of risk factors for a broad range of psychiatric disorders remains largely ...