1. Overview of diabetes mellitus / Jennifer B. Marks -- 2. Diabetes mellitus and schizophrenia / Oscar Villaverde -- 3. Diabetes mellitus and depression / Julie E. Malphurs -- 4. Diabetes mellitus and cognitive impairment / Jose A. Luchsinger and Hermes Florez -- 5. Diabetes mellitus and sexual dysfunction / Marilyn Sanjuan-Horvath -- 6. Diabetic peripheral neuropathic pain : an inevitable consequence of diabetes mellitus? / B. Eliot Cole and Maria D. Llorente -- 7. HIV-1 infection, diabetes mellitus, and psychiatric disorders / Karl Goodkin. [et al.] -- 8. Nutritional interventions for individuals with mental illness and diabetes mellitus / Louise Z. Grant -- 9. Impact of exercise on psychiatric disorders and diabetes mellitus / Neva J. Kirk-Sanchez -- 10. Psychopharmacologic treatment of psychiatric disorders in patients with diabetes mellitus : clinical considerations and options / Jose A. Rey -- 11. Treatment options for diabetic peripheral neuropathic pain / Maria D. Llorente and B. Eliot Cole -- 12. Psychosocial therapies for psychiatric disorders and diabetes mellitus / Alan M. Delamater, Jessica M. Valenzuela, and Michelle M. Castro -- 13. Collaborative care to improve treatment of co-occurring diabetes mellitus and psychiatric disorders / Maria D. Llorente and Jesica Soto.