Hair Loss Science | The World From the View of Two Teenage Girls: Hair Loss Science

Wednesday, June 5, 2013

Hair Loss Science

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Hair loss is common in women too!  It is commonly thought that men are the ones who have hair loss problems, but 40% of people who suffer from long or short term hair loss are women!  Unlike men, women rarely develop a receding hair line.  More commonly, the hair starts to thin all over, the center part starts to widen, or a distinct baldness starts at the crown of the head. 

Before we go any further with that, let’s talk about how hair grows.  On average a person has 100,000 hair follicles on their scalp.  Each follicle produces only one hair that generally grows at a rate of 6 inches per year (or a half inch every month).  A single hair will grow for 2-6 years, and then rest a while before falling out and being replaced.  Around 85% of a person’s hair will be growing at a time, while the rest is resting.  Because resting hairs fall out regularly, losing 50-100 strands per day is normal. 

Sometimes there can be no specific cause for hair loss, but there are around 30 different medical conditions that can trigger it, as well as many lifestyle factors. 


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