It is natural for hair to change but when it changes without our permission, it signifies something is being added or subtracted from our body.

The hair is known as a protein filament that grows from follicles found in the dermis of the skin and in several parts of our body. The hair holds strong scientific information longevity in genetics because it can last for centuries. The amount of hair that covers our body varies from different tribes and nationality. The hair that covers our body is known as vellus.

People from Asia are known to have lot of hair on their body different from other continent. The amount of distribution of hair can predict the origin or tribe of a person, whether he is an Asian, an African or an American. The color of hair also do same, predicting if from china, united state, India, united kingdom, Nigeria, Arab or an Irish. The increase in hair growth or loss is often caused by an imbalance of male hormones, which are naturally present in both men and women in different amounts.

The increase of testosterone causes excess hair which is also called hirsutism. It is a condition of unwanted male-pattern hair growth in women. Testosterone are available in both male and female, but more in male and little in female, but when it is high in female, it gives a woman a male appearance of having too much hair all over her body.
http://healthful.com.ng/what-your-hair-predicts-about-you/