7 Interesting facts about Hair
We love our hair, we always have. Human beings have always taken pride in their locks. It helps create a perception of ourselves, has social implications and is also associated with all sorts of medical thought. It’s fascinating stuff. So, here are some fascinating facts on it.
Blonde Women and Oestrogen
We have all heard the rumour that bald men have more testosterone than those with hair – it’s not necessarily true. One thing that is true is that according to studies, women with blonde hair have a higher level of oestrogen than those with darker hair. Interestingly blonde hair doesn’t seem to be dictated by hormonal balance at all. However, both male and female blondes have more hair – one average they have 130,000 as opposed to 100,000 for those with brown hair and 80,000 for those with red hair.
Blonde hair is something that we see commonly in Caucasian people, however the people of Papua New Guinea and other Pacific Islands are also prone to it.
The hair associated with these people is generally curly and has a straw like colour. The interesting thing about it is that it is caused by a different gene completely. Additionally, it doesn’t have a correlation with any specific eye colour. Europeans tend to have blonde hair and blue eyes as a genetic combination. In fact, the blonde hair of Melanesian people is caused by a genetic mutation that impacts on the amino acid patterns in the hair.
Hair Color and Learning Disabilities
Hair colour could also be correlated with a number of medical conditions. For example, one study of 50 learning disabled children, of which 20 percent were blonde. Interestingly, only 11 percent of non-disabled children were blonde, which shows a higher prevalence of such issues in blonde children.
There are also studies to show that there is a higher percentage of blonde children with dyslexia than in the general population. They are also more likely to be left handed. One understanding of this is because melanin levels are lower in blondes, the chemical that plays a role in the building of neural circuitry, these lower levels may cause development issues.
There are a vast number of hair colors throughout the world, however brown hair is the most prevalent by a long way. However, under one per cent of the world’s population is ginger and only two percent are blonde.
Hair tends to grow faster in warm weather than it does at colder times of the year. This is because the warmer weather stimulates circulation, which in turn stimulates hair growth.
Hair is made mainly from keratin, which is the same protein that makes hooves and beaks in animals. . Hair itself is around 50% carbon, 21 percent oxygen, 17 percent nitrogen6 percent hydrogen and 5 percent sulphur.
Hair is interesting stuff, there are no doubts about that and these seven facts should give you a greater insight into the interesting world of the stuff on your head.
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