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While yeast infections are significantly more common in women—75 percent of women will have one in their lifetime—men can get one of these pesky infections as well. Additionally, male yeast infections "can lead to a condition known as balanitis—inflammation of the head of the p***s," according to Mayo Clinic. For more information on the body, check out Drinking Even This Much Every Day Can Harm Your Health, Study Says.

From as early as 16 weeks old, fetuses have been observed with brief protuberances. While there are not enough studies to assert why this occurs, some point to the age-old "use it or lose it" theory— The Los Angeles Times reported that periodic movements are necessary to help the pe**le tissue stay oxygenated and healthy. For indicators that either you or a man in your life needs to see a doctor, check out 50 Signs of Poor Health Men Should Never Ignore.

This fact is probably unsurprising to anyone who has spent the night beside a loudly snoring man. "Snoring, because it comes from your nose and your mouth—is typically more common in men due to abdominal body fat." The American Academy of Sleep Medicine reported that about 40 percent of men are habitual snorers, while only 24 percent of women are habitual snorers.

If you think you know more blonde-haired women than men, you're probably right. According to Joseph Hart, RN, director of operations at MAXIM Hair Restoration, "Men will typically have darker hair than their female counterparts, particularly once the individual has passed through puberty and this trend will continue with age." Hart says this phenomenon is due to men's higher levels of melanin, which influences people's skin tone, hair color, and eye color.