flossing teeth Bad breath and bleeding gums are not sexy. But periodontitis, an inflammation or infection of the gums, may hamper your sex life in another way: It may be a cause of erectile dysfunction, a new study suggests http://www.foxnews.com/health/2011/06/28/bad-gums-linked-to-erectile-dysfunction/#ixzz1QaL5dhwG so if you run into a guy with bad breath, chances are he can't get it up