Their analysis of environmental skin-damaging factors in 65 pairs of twins hints that skin aging is related more to environment and lifestyle than genetic factors.

研究人员对65对双胞胎的皮肤损伤环境影响因素进行分析后发现，环境和生活方式对皮肤老化的影响大于遗传因素。

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Say goodbye to fine lines. Improve rough, loose skin; increase gloss, slow down skin aging.

挥别细纹，改善粗糙、松弛肌肤，增加光泽，延缓肌肤衰老。

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Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.

光老化是指皮肤衰老过程中由光线特别是紫外线辐射所造成的损伤。

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Researchers in the department currently have one on-going study funded by Nu Skin related to the identification of master regulators and epigenetic changes to human skin aging.

FORBES: Preying on an Easy Mark

Since experimental evidence has suggested that antioxidants consumed orally, such as beta carotene, can reduce signs of sun-related skin damage, the study also looked at whether a daily 30-milligram beta carotene supplement could protect against skin aging.

WSJ: Sunscreen Each Day Stops Wrinkles

Today the agency proposed a new requirement that, if finalized, will require warnings on the use of ultraviolet light-emitting tanning beds by individuals under age 18 because of the increased risk of melanoma, squamous cell carcinoma, eye damage, and premature skin aging.

FORBES: If Tanning Beds Were A Drug, They'd Be Illegal