TY - CHAP M1 - Book, Section TI - MENTAL DISORDERS A1 - Reus, Victor I. A2 - Hauser, Stephen L. A2 - Josephson, S. Andrew Y1 - 2018 N1 - T2 - Harrison's Neurology in Clinical Medicine, 4e AB - Mental disorders are common in medical practice and may present either as a primary disorder or as a comorbid condition. The prevalence of mental or substance use disorders in the United States is approximately 30%, but only one-third of affected individuals are currently receiving treatment. Global burden of disease statistics indicate that 4 of the 10 most important causes of morbidity and attendant health care costs worldwide are psychiatric in origin. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - neurology.mhmedical.com/content.aspx?aid=1147191778 ER -