Researchers are not sure why, but they suggested that the potential protective effects of the female hormone estrogen and the skin pigment melanin should be investigated as potential reasons.
3
当你进入青春期，这些青春期激素就会影响你皮肤中的腺体，这些腺体就会产生并不好闻的化学物质。
As you enter puberty, the puberty hormones affect glands in your skin, and the glands make chemicals that smell bad.
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