Search Most popular on msnbc. Couples having sex must always use condoms to protect against STDs even when using another method of birth control. Skip to main content. To be most effective, they should also be accompanied by sex education programs. Young men and women are more likely than older people to report having no sex in the past year, yet those who are having sex are more likely to have multiple partners, which increases the risk of STDs.
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Most sexually active teenagers don't use condoms regularly, a behavior that puts them at risk of sexually transmitted diseases, according to a report in Thursday's USA Today. Rates of women who are opting for preventive mastectomies, such as Angeline Jolie, have increased by an estimated 50 percent in recent years, experts say. If a condom breaks or slips, semen can get through, making the condom less likely to prevent pregnancy or STDs.