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The female birth control pill has been around for decades, and many men would like to share the contraceptive responsibility. But despite the lingering promise of non-barrier, reversible male birth control options, the FDA has yet to approve any. As we wait for male birth control to become a reality, test your knowledge of its development so far.
Viagra is one of the best-known drugs of all time. Nearly every adult in America has heard of the drug and can tell you what it does. Find out how this high-profile medication works its magic.