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THE HUMAN BODY HAS THREE DIFFERENT HAIRS AND THEY DON'T GRAY AT THE SAME TIME

THE HUMAN BODY HAS THREE DIFFERENT HAIRS AND THEY DON'T GRAY AT THE SAME TIME

Body hair doesn't last as long as the hair on your head. Body hair and facial hair do not gray at the same time because they are all different.

The reason body hair doesn't get longer than a few inches is because it only has a lifespan of about six months. We have three different kinds of body hair. Terminal hair is long and thick, like beard hair, pubic hair, and armpit hair. Face hair and penis hair are the same thing. Vellus hair is finer, like wispy arm hair. Infant hair is also a totally different kind of body hair: lanugo. But you lose all your lanugo hair pretty much right after you're born.

Your hair color can actually be indicative of genetic disorders. Blonde women tend to have more estrogen; blondes also tend to have a higher percentage of learning disabilities and macular degeneration. Redheads are more susceptible to pain, brunettes are more likely to get addicted to smoking, and bald people might die earlier.

Body hair is tied to intelligence. According to a 1996 study, the more body hair you have, the more intelligent you are. It's a tenuous connection at best, but researchers found that the majority of male Mensa members had more body hair compared to the average population. It's not a bad trade-off for all the extra shaving you have to do.