DNA repair is essential for the accurate preservation of genetic information and to ensure the healthy functioning of cells, and a connection between aging and DNA damage has long been suspected. One line of evidence supporting the connection is that defects in certain genes needed for DNA repair produce maladies that mimic those of accelerated aging. In humans and other mammals, these effects include elevated occurrence of malignancies, osteoporosis, hearing loss, graying of hair, and hair loss. It is also known that DNA damage accumulates with age in cells of a variety of tissue types.
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Stress and Hair Loss 应激和脱发
Hair Diseases and Hair Loss 头发疾病与脱发
Scalp itching and hair loss 头皮很痒还掉头发
Prenatal and postnatal hair loss 产前产后脱发者
Hair Loss and Thinning 毛发脱落和稀疏
I am fairly young and hair loss is not too extensive at this point.
我很年轻，此时脱发还么有形成大面积。
Vomiting and hair loss occur at 70 rem and 75 rem respectively, while exposure to 400 rem can mean possible death in two months.
70雷姆和75雷姆的辐射量分别会导致呕吐和脱发，而400雷姆的辐射量可能导致人在两个月内死亡。
It has demonstrated the ability to help stop hair thinning and hair loss, and promotes hair growth in men with mild - to - moderate hair loss.
它被证明具有阻止头发稀疏和脱落的能力，并促进患有轻微至中等程度脱发的男士的头发再生。
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