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While it's too late to save the late, great General David Petraeus from his philandering ways, future generations of men could be in luck. While the Lord may have made a rambling man, research suggests that a quick shot of the hormone oxytocin could be just what the doctor ordered for married men who want to keep their vows sacred while being constantly confronted with women they could conceivably have sex with. Which to most men is, yes, all women.

Beginning in the 1960s, the introduction of hormonal birth control pills introduced modern family planning to the world, preventing unwanted pregnancies and generally making the world a better place for everyone concerned. It turns out the pill may do even more than that, though. A new study shows that taking hormonal birth control before menopause may improve women's cognitive function later in life, leaving them sharper and more mentally "with it" than peers who weren't on the pill.