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However, in light skinned populations, namely those of European descent, women have darker skin than men. [11] [110] It is unknown why skin color is sexually dimorphic in some populations. White women may have darker skin than white men because the female sex hormone estrogen is known to increase skin pigmentation in lighter-skinned populations ...
The condition is much more common in women than men, though men can get it too. According to the American Academy of Dermatology, 90 percent of people who develop melasma are women. [7] Post-Acne marks from post-inflammatory hyperpigmentation. Linea nigra—a hyperpigmented line found on the abdomen during pregnancy.
Melasma (also known as chloasma faciei, [1]: 854 or the mask of pregnancy [2] when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation. [ 3 ]
Pigmentation increases in humans during pregnancy; though the exact endocrine cause is not known, α- and β-melanocyte-stimulating hormone are thought to be involved. [7] Cushing's disease due to excess adrenocorticotropic hormone (ACTH) may also result in hyperpigmentation, such as acanthosis nigricans in the axilla .
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A woman with dark skin. Dark skin is a type of human skin color that is rich in melanin pigments. [1] [2] [3] People with dark skin are often referred to as black people, [4] although this usage can be ambiguous in some countries where it is also used to specifically refer to different ethnic groups or populations. [5] [6] [7] [8]
Researchers at Columbia’s Aging Center studied a group of women and found that mothers with multiple kids had more signs of aging than those who had never given birth. Pregnancy Linked to Faster ...
The data suggested that biological age increased by three per cent more per year in those who have been pregnant, and those with more than one pregnancy were said to age up to five months faster.