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Why do men grow beards and women don't? This is closely related to the metabolism of sex hormones in the human body. In general, healthy men after puberty grow beards that are initially soft and thin, and gradually become coarse and dense over time.
Modern medicine has found that at this time, men secrete more male hormones in their bodies, making their hair black and thick, and the production of beards is a typical manifestation. At this time, estrogen dominates in women's bodies, and the number of male hormones is very small, and the effect of hair growth is far less than that of men. In contrast, their hair is more slender and lighter in color, so women do not grow thick and stiff black beards.
However, some girls also grow during puberty"Beard", distressed and embarrassed by it. In fact, this is not a beard, but the hair around the mouth is heavier, which does not affect the health of the body, and usually disappears on its own after puberty.
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This is the pride of men, because only men secrete male hormones in their bodies, and women secrete female hormones, and herein lies the difference
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That's because men have male cells.
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Not only men grow beards, but also males grow beards in many animals, and I don't know why.
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Beard, commonly known as beard, refers to the hair on a man's upper lip, chin, cheeks, cheeks, or neck. If you carefully distinguish it, "Hu" originally referred to the hair at the corners of the mouth, while the upper lip was called "Yinfeng", called "Bazi Hu", also known as "Bazi Whisker", "Two Skimming", Cantonese called "Erchio", the chin was called "Goatee", the cheeks were connected to the chin was called "Falling Beard", the cheeks were called "Lian Xu Hu", the cheeks were called "Love", and the fluctuations were called "Feng". Men after green spring usually grow beards.
Beards grow faster than hair, which is a result of the function of male hormones. The stronger the reproductive function, the faster the beard will grow. Hair bulbs are distributed in blood vessels and have more nutrients than hair roots.
So, just after shaving the lips, it's long again in a few days. Reasons for Men to Grow Beards: Why Do Men Grow Beards and Women Don't?
This is closely related to the metabolism of sex hormones in the human body. Healthy men after puberty develop beards that are soft and sparse at first, and then thicker and thicker. Modern medicine has found that at this time, the male body secretes more male hormones, making the hair dark and thick.
The appearance of a beard is typical of the typical presentation. At that time, male hormones in women's bodies were overwhelmingly dominant, and the amount of male hormones was very small, and the effect of hair growth was much less than that of men. In contrast, their hair is finer and lighter in color.
Therefore, women do not grow thick and stiff black beards. Some women also grow "beards" during puberty, which is annoying and embarrassing. In fact, this is not a beard, but there is more hair around the mouth, which will not affect the health of the body.
Usually after puberty has passed, it disappears on its own. The male vocal cords change around the age of 13 because a lot of development is done before the age of 13. After a man reaches the age of 65, his voice will become higher and louder.
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A beard usually refers to the hair that grows on a man's upper lip, chin, cheeks, cheeks, or neck, also known as a beard. If you want to carefully distinguish between "beard" originally refers to a beard that grows around the mouth, while the upper lip is called "" and the chin is called "goatee". In general, it is more common for men after puberty to grow beards.
The blood vessels in the beard area are more distributed than those at the base of the beard, and it is also easy to obtain nutrients, so the beard grows again soon after the beard is shaved, because the beard is relatively rich in nutrients, and the beard itself is not very easy to grow. In general, healthy men after puberty grow beards. Modern medicine has found that when a man secretes more male hormones in his body, he produces a typical beard with thick black hair.
At this time, the estrogen in the female body is absolutely dominant, the amount of androgen is very small, and the effect of hair growth is far less than that of men, therefore, the level of reproductive hormones in women is much lower than that of men. In contrast, black-bearded girls have thinner hair and lighter color, so black-bearded girls will not grow thick and thick. However, some women also grow beards during puberty.
In fact, this is not a beard, but the hair around the mouth is relatively heavy, which will not affect the health of the body. A boy's vocal cords change around the age of 13 because a lot of development is done before they are 13 years old, so there will be a lot of change in children at this age.
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