Why Do Some Parts of Our Body Have More Hair?

We have two types of bristles. One of them is shorter and thinner, namely peach fuzz also called hairs. The other is longer and thicker, such as our hair, eyelashes or chest hair. terminal hairs. While peach fuzz is generally more common in children, it covers 30 percent of the female body. 90 percent of men Let us note that it consists of terminal hairs.

While this distinction varies between women, children and men, being different for everyone or there are some reasons why it is generally concentrated in certain regions.

Humans have reached the form they are today as a result of evolutionary processes lasting millions of years.

The body of our ancestors; It was covered with a lot of hair for protection from cold weather and external dangers, and even for social communication. Over time, people’s hair; climatic conditions, lifestyle and natural selection decreased due to factors such as. However, there were evolutionary advantages to keeping hair thick and dense in some areas.

For example, the hair on our heads helps protect us from the sun, while eyebrows and eyelashes prevent harmful substances such as dust and sweat from entering our eyes. Hair in the armpit and groin area reduces friction It can prevent skin irritations.

The biggest factor on hair growth is hormones.

A group of hormones called androgens are one of the main factors that trigger hair growth, especially in men. Testosterone, It is one of the most well-known androgens and with its increasing levels during adolescence, body hair growth increases.

Women also have androgen hormones, but their levels are generally lower than in men. For this reason, hair growth in women is less intense, but in some women hormone imbalances Due to this, male pattern hair growth may be observed.

Polycystic ovary syndrome (PCOS) Conditions such as these can lead to increased androgen levels in women, which can result in excessive hair growth in areas such as the face, chest and back.

The density and quality of hair follicles are also effective.

in different parts of our body density of hair follicles and its quality explains why hair growth is uneven. Each follicle; It follows cycles of growth, rest and shedding. These cycles differ depending on the region.

For example, while hair follicles have a long growth phase hair on arms and legs has a shorter growth phase. This causes the hair in these areas to become shorter and thinner.

Additionally, follicles in some areas may be more sensitive to hormones. Especially on the face, armpits and follicles in the genital area, More sensitive to androgen hormones. Thus, thicker and darker hair grows in these areas.

Finally, genetic and environmental factors are also important in hair growth.

family history, gender, age and even climate, Among the factors affecting hair density and distribution. While the bodies of people living in hot climates can produce less hair to regulate body temperature through sweating, those living in cold climates can have more hair.

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