Avoid+risky+behaviors

Reduce your risk of certain cancers by avoiding risky behaviors that can lead to infections that may increase your risk of cancer. Viruses transmitted sexually or by sharing contaminated needles include: Reduce your risk of these cancers by avoiding risky behaviors. Practice safe sex by using condoms, limiting the number of sexual partners you have or abstaining from sex. Never share needles. Seek help for your addiction if you use drugs. MORE ON THIS TOPIC
 * **HPV.** HPV increases your risk of cervical cancer or penis (penile) cancer. The more sexual partners you have in your lifetime, the more likely you are to have HPV.
 * **Human immunodeficiency virus (HIV).** People with HIV or AIDS have an increased risk of anal cancer, cervical cancer, liver cancer, lymphoma and Kaposi's sarcoma. People with multiple sexual partners and intravenous (IV) drug users who share needles have an increased risk of HIV.
 * **Hepatitis B and C.** Chronic hepatitis B or hepatitis C infection can increase your risk of liver cancer. Both forms of hepatitis can be passed through sexual contact with an infected person or sharing needles with an infected drug user.
 * [|HPV infection: Can men get it too?]
 * [|HIV/AIDS]
 * [|Hepatitis B]
 * [|Hepatitis C]