This document discusses sexual health and prevention of sexually transmitted diseases (STDs), HIV/AIDS, and unplanned pregnancy. It provides statistics on the prevalence of STDs and unplanned pregnancies in the US, noting that they are almost entirely preventable. The use of condoms, when used correctly, is highlighted as an effective means of prevention, along with abstinence and education. Risks are greater for teens who may engage in risky behaviors like unprotected sex or sex under the influence of drugs or alcohol.