Why Do Humans Have Butt Hair?

Despite being the least hirsute hominin , humans have hold a fair amount of pilus in our most sexual regions , include ourbutt cracks . However , while the pilus on our heads , in our armpit , and around our sexy chip serve a telephone number of obvious functions , scientists still do n’t have a definitive explanation for our bewhiskered backsides .

To try and throw off some igniter on the mystery story , SciShowset their crack squad of investigators on the example , let out their findings in a video recording that has already been viewed by over 4 million people who clearly feel the need to understand why they possesshairon their rump . Unfortunately , however , very little scientific research survive on the subject , which stand for it ’s only potential to conjecture on the intention of our tufted tail - end .

One hypothesis states that we have butt pilus for no grounds other than that there is no major evolutionary imperativeness against it . In other actor’s line , the presence of pilus around theanusdoesn’t appear to occlude our chances of passing on our genes , and get less pig on one ’s tush does n’t , therefore , add any reproductive advantages .

According to this conjecture , butt hair does not have any evolutionary purpose but exist simply because there has never been any need for us to turn a loss it . This is sound news for anyone who may be a little embarrassed about their downy derriere , as it bring in home the fact that over the course of our evolution , butthair has never acted as a barrier to mating succeeder .

Another possible account for our posterior moustache province that hair may help to amplify our anal scent . grant , this probably is n’t something most modern humans would aspire to , but it ’s probable that early hominins used smell as an important way of communication . As such , the capability to broadcast one ’s odor over farsighted distances would have conveyed a number of advantages , allowing our ancient ancestors to note their territory and attract mates .

Hair helps with this as it immobilize oily secretions that sway scent , while also allow for an environment for bacteria that consume these oil and generate yet more smells .

A third and final hypothesis , meanwhile , posits that butt hair serves to reduce rubbing and chafing as we move around . By trapping the aforementioned stinking oils , hairsbreadth ensure that our cracks remain nicely lubricated , thereby protecting us from temper and rashes .

While none of these notion have been studied in particular , it seems potential that hindquarters hair exists for a turn of different reasons , so there ’s no indigence to despair at your unsightly crack .