Thursday, February 16, 2012

Why do people lose hair?


Hair loss is something that most of our parents and grandparents worry about. Usually, we say it comes with age unless someone has a disease causing the baldness. But did you know that in some cases, teens lose their hairs too.

According to studies, it is normal to lose 100-150 strands of hair per day.  Hair undergoes a natural process of growing and resting. But too much hair loss can mean something- a person may be seriously sick or is not eating right. For teenage girls, wearing a hairstyle which pulls on the hair for a long time such as braids may cause hair loss.

But more frequently, it has nothing to do with an internal disease or poor diet, hair is simply thin due to genetic factors. Most men and women notice a physiological thinning during their thirties and forties. Hormonal changes also affect baldness as in the cases of pregnant women, puberty, and menopause.

Hair loss can also be a side effect of the medication one takes. As for cancer treatments like chemotherapy, the number one side effect is hair loss which will eventually lead to being bald. In this case, hair grows back after six months to one year.

On other variations, our normal life which includes severe stress will eventually lead to hair loss.  Physical or emotional stress can actually cause two types of hair loss. One is called telogen effluvium. The hair only becomes dormant which falls out 2 or 3 months and regrows within 6 to 9 months.

The other type is called alopecia areata, a stress-induced hair loss which involves attack of white blood cell on the hair follicles. It falls out within weeks but may unfortunately involve the whole scalp and body hair. Treatment may be needed to help the hair grow back on its own.

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