May 13, 2025
Science

How can dark-skinned people emit twice as much radiation as white-skinned people?

  • May 4, 2024
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While people with white skin are more sensitive to the sun This sensitivity is not the case for brunettes.. Because they have more melanin and actually radiate much

How can dark-skinned people emit twice as much radiation as white-skinned people?

While people with white skin are more sensitive to the sun This sensitivity is not the case for brunettes.. Because they have more melanin and actually radiate much more heat than people with fair skin.

What about color differences in the body? How does this affect a person’s ability to emit radiation, in other words, heat?

First, let’s look at what melanin is.

melanin

Melanin; It is a natural skin pigment responsible for determining eye, skin and hair color. As melanin production increases, the color of the area where it increases becomes darker. In fact, everyone has the same amount of melanin in their body.

But people with certain genetic inheritances whose parents have more sun exposure can produce more melanin. So is melanin, which ensures pigmentation of the skin, eyes and hair By absorbing harmful UV rays It protects us from the sun.

A person’s radiation exposure is mainly related to their skin color and the amount of melanin they are exposed to.

white skin

This is because people with darker skin tones have more melanin pigment. absorb more sunlight It means. This absorbed light is converted by the body into heat, and as a result, brunettes emit more radiation, that is, heat, than people with white skin.

At this point it may occur to you whether this poses a health risk.

skin color

But there’s nothing to worry about. Because white people too It already emits some radiation. Only in people with a dark skin color is this percentage higher than in people with a white skin color.

Sources: Memorial, National Library of Medicine

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