Resources:
- http://www.nlm.nih.gov/medlineplus/teensexualhealth.html
- http://www.webmd.com/sex/default.htm?names-dropdown=
- http://kidshealth.org/teen/sexual_health/
- http://www.plannedparenthood.org/health-topics/
- http://www.cdc.gov/STD/
- http://www.who.int/mediacentre/factsheets/fs110/en/
- http://www.cdc.gov/nchhstp/newsroom/docs/STD-Trends-508.pdf