can any piercings cause cancer?..if so, which ones?

Answer 1

No, it's a myth or urban legend that piercing nipples causes breast cancer.

"4) Myth: Piercing Your Nipples May Causes Breast Cancer in Men and Women

Truth: An injury to the breast or nipple cannot lead to cancer development. The only real medical risk factor for piercing the nipple is infection."

http://cancer.about.com/od/causes/tp/crazymyths.htm

Here is a list of myths and hoaxes about cancer.

1. Myth: Freezing Plastic Water Bottles- email chain that states that drinking water from frozen water bottles can cause cancer.

2. Myth: Splenda and Cancer: Does Splenda Cause Cancer?

3. Myth: Does Lipstick Cause Cancer?

4, Myth: Do Tampons Cause Cancer?

5. Myth: Tattoos and Cancer: Can Tattoos Cause Cancer?

6. Myth: Can Pierced Nipples Cause Breast Cancer

7. Myth: Do underwire bras cause breast cancer?

8. Myth: Deodorants, Antiperspirants and Breast Cancer: Is There a Link?

Check out more rumors and myths from the American Cancer Society:
http://www.cancer.org/docroot/MED/MED_6_1_Rumors.asp

Answer 2

NEVER HEARD THAT BEFORE.