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Why Many Lack Hair Despite Income
The article explains the nature of vellus hair on the human body. It clarifies that this hair is fine and light-colored, often blonde or translucent, resulting from a small amount of melanin, which determines hair color. It indicates that genes play a major role in determining the density and characteristics of hair in different parts of the body. For example, hair on the scalp can be dark and thick, while the rest of the body has blonde and fine hair. The article also explains that hormones influence the nature of hair; its color and thickness can change during puberty or with shifts in hormone levels, leading to thicker or lighter hair depending on the area. Ultimately, it links these features to genetic and hormonal functions, emphasizing that understanding these processes helps explain why body hair varies among individuals.
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