Harmful ultraviolet rays cause 90 percent of skin damage [source: Poirot].

紫外线极具杀伤力，足以引起皮肤90%的损坏【Poirot研究中心】。

youdao

By contrast, sunscreen use and drinking alcohol appeared correlated with lesser skin damage.

相比之下，使用防晒霜以及喝酒的人皮肤损伤较小。

youdao

Even a few hours sitting in a car during April results in skin damage, according to a study.

最新研究还表明，即使是在四月，只要在车中几个小时就可以对皮肤造成损伤。

youdao

He was forty-nine years old. Leprosy -- also called Hansen's disease is a bacterial disease that causes skin wounds and nerve damage.

VOA: special.2009.10.14

People with minor cases of frostbite that affect only the skin may not suffer any permanent damage.

VOA: special.2009.12.23

Frostbite is damage that happens when skin is exposed to extreme cold for too long.

VOA: special.2009.12.23

The results have a "double significance, " she said, since the reduced skin damage from UV rays also translates to a lower risk of skin cancer.

WSJ: Sunscreen Each Day Stops Wrinkles

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

Severe frostbite however requires immediate medical attention, because it can cause permanent damage to skin underlying tissue, bones and muscle, and can lead to complications including infection, and nerve damage.

FORBES: Important Cold Weather Safety and Tips