Introduction : what are social problems? -- 1. Poverty and economic inequality -- 2. Crime and violence -- 3. Drugs and alcohol abuse -- 4. Race and ethnic relations -- 5. Sexism and gender inequality -- 6. Sexual orientation and homophobia -- 7. Aging and ageism -- 8. Family -- 9. Work and unemployment -- 10. Health, illness, and health care -- 11. Population, urbanization, and environment -- 12. War and terrorism -- 13. Social problems in the future -- App. The sociological study of social problems