The human body covered almost entirely in hair, except the lips, palms, and soles of our feet is a wonder of evolution. While it’s easy to understand the necessity of hair on our heads or even in our noses, the presence of hair on our buttocks that is, hair butts might raise a few eyebrows. Yet, this peculiar trait might not be as pointless as it seems.
You might wonder why the area between our buttocks would need to be hairy. This question takes us slightly into our evolutionary past. It turns out, according to insights from the SciShow on YouTube, that butt hair may have played a crucial role in our ancestors’ love lives.
Yes, you read that right, our early human relatives might have used their butt hair for mate attraction! This odd phenomenon can be explained through what is known as the “scent communication” theory.
The hair in our butt cracks, much like the hair under our arms, traps oils and sweat produced by the skin. These secretions are a banquet for bacteria, which break them down and release a unique scent, a signature aroma if you will. This distinct smell could have been a major player in mate selection, signaling genetic compatibility and health status to potential partners.
While the mating theory is intriguing, the role of butt hair doesn’t stop there. As explained by Hank Green, one of the hosts of SciShow, the constant motion of human activity means that our butt cheeks are often rubbing together. This friction can lead to skin irritation or even infection.
At the same time, butt hair serves a practical purpose by reducing this friction and providing a sort of cushioning between the cheeks, thus protecting the skin underneath.
Having butt hair can be a health issue
Sometimes, an abundance of butt hair can be more than just an evolutionary relic; it might indicate a health issue. Conditions like overactive adrenal glands, polycystic ovarian syndrome (PCOS), or hirsutism can all lead to excessive hair growth, including on the buttocks. Medications for various conditions might also increase body hair as a side effect.
For those who find butt hair bothersome or aesthetically displeasing, there are several removal methods available, such as shaving, waxing, and laser treatments. It’s important, however, to proceed with caution in such a sensitive area to avoid discomfort and potential harm.
So, the next time you ponder the reason behind the hair on your butt, remember that it’s not just a quirk of nature but a feature with deep evolutionary roots and practical benefits. Whether it played a part in your ancestors’ romantic encounters or simply acts as a protective barrier today, butt hair is a part of us and it’s here for good reasons.
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