This sourcebook offers basic information about sexual health and the screening, diagnosis, treatment, and prevention of common STDs, including chancroid, chlamydia, gonorrhea, herpes, hepatitis, human immunodeficiency virus (HIV), acquired immunodeficiency syndrome (AIDS), human papillomavirus (HPV), syphilis, and trichomoniasis. It discusses trends in STD rates and developments in STD vaccine research and provides tips on talking to doctors and sexual partners, a glossary of related terms, and resources for additional help and information.