Ads for male enhancement supplements are everywhere. If you turn off your pop-up blocker for even a second, you’ll be bombarded with spots for “the best ...

Patchy, bare scalps may be more about what's in your body than on top of your head.

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Low vitamin D levels may affect your sex drive by influencing hormones, mood, energy, and blood flow. Learn how vitamin D deficiency affects libido and whether supplements can help.