Here's another reason not to abuse prescription drugs. Researchers have discovered that men who take ED drugs for fun might actually be sabotaging their sex life in the long run.

While science has yet to find a link between recreational Viagra abuse and physical, chemical or hormonal risks, the researchers did find that prolonged use can make a man less confident in their ability to achieve erections the natural way. More from My Health News:
Nearly 6 percent of the sexually active college men involved in the study reported taking drugs for erectile dysfunction (ED) without a prescription. Yet an analysis of these students' sex lives unveiled a paradox: The more ED drugs men took, the worse they felt.

"Using ED drugs recreationally has the potential to negatively influence one's confidence," said Christopher Harte, lead author of the study published this month in the Journal of Sexual Medicine.