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Así envejece el cabello según la raza
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El envejecimiento del cabello varía según la raza y el origen étnico, según un estudio
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Differences in hair aging between varying races and ethnicities
While aging is an unavoidable biological process with many influencing factors that results in visible changes to the hair, there is limited literature examining the characteristics of hair aging across the races. Now a new study describes the unique characteristics of hair aging among different ethnicities that the authors hope will aid in a culturally sensitive approach when making recommendations to prevent hair damage during one s life-time.
Among the findings: hair-graying onset varies with race, with the average age for Caucasians being mid-30s, that for Asians being late 30s, and that for Africans being mid-40s. Caucasians and Asians typically experience damage to the distal hair shaft, while African-Americans see damage occurring closer to the hair root. Postmenopausal changes include decreased anagen (active or growing) hairs in the frontal scalp, lower growth rates and smaller hair diameters.
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(Boston) While aging is an unavoidable biological process with many influencing factors that results in visible changes to the hair, there is limited literature examining the characteristics of hair aging across the races. Now a new study describes the unique characteristics of hair aging among different ethnicities that the authors hope will aid in a culturally sensitive approach when making recommendations to prevent hair damage during one s life-time.
Among the findings: hair-graying onset varies with race, with the average age for Caucasians being mid-30s, that for Asians being late 30s, and that for Africans being mid-40s. Caucasians and Asians typically experience damage to the distal hair shaft, while African-Americans see damage occurring closer to the hair root. Postmenopausal changes include decreased anagen (active or growing) hairs in the frontal scalp, lower growth rates and smaller hair diameters.
Fan Jianhua/Getty Images
It’s normal to feel tired occasionally, especially if you’ve had a particularly busy day or didn’t get enough sleep the night before, but chronic and persistent exhaustion may be a sign of an underlying medical condition. If you have psoriasis, your disease may be the culprit behind your flagging energy and mental or physical exhaustion.
British Journal of Dermatology assessed fatigue in 84 psoriasis patients and 84 healthy people without psoriasis and found that nearly 50 percent of those with psoriasis experienced substantial fatigue.
Advances in Dermatology and Allergology, which included 58 patients with psoriasis, 60 patients with psoriatic arthritis, and 61 people in a control group who didn’t have these conditions, found that 17 percent of people with psoriasis were found to have severe fatigue. The researchers also noted that chronic fatigue is a serious but underrated problem in people with psoriasis.
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