should protect our skin from harmful direct *exposure to the sun.*Ultraviolet (UV) radiation can cause damage such as premature aging (wrinkles and age spots), skin cancer, damage to the eyes and even ……

the aging process begins in other parts of the body. Even within the skin, it appears that multiple... aging cells, which increase with age in the skin and throughout the body.More and more evidence (证据 ……

Chinese youths as China is entering a new stage of an aging society.Shanghai, the first Chinese city to become an aging society in 1999, issued (发布) a report before the Double Ninth Festival, which ……

WE'VE all heard that to protect our skin from the sun's aging effects and cancer-causing rays, we... radiation (×?????·???) that can age your skin and lead to cancer.The SPF ratings on most sunscreen lotions ……

with summer in full swing, here’s some advice on protecting yourself from those skin-toasting rays.... Sunscreen is a major technological revolution and it’s the No 1 tool we have for protecting our skin.Sadly ……

about octopus skin was protecting the arms from one another.To test the idea, scientists offered food... it as a piece of cake with the help of a chemical (化学物质) on their skin.Scientists from the Hebrew University ……

of the laboratory.Researchers have also revealed tips on protecting skin when under stress.* Avoid hot... of breaking up can permanently damage and age your skin? That's the finding of last week's lab report ……

antioxidants (anti-aging substances) that usually protect the mouth against cancer. But smoking prevents the saliva from doing so. It actually becomes a risky substance.Researchers found that saliva ……

anti-aging products from face creams to cosmetic surgery. They hadn't thought about how to simulate...-aging products from face creams to cosmetic surgery. (paragraph 12)Without thinking about ……

is usually caused by a photosensitive reaction (光敏反应) to UVA radiation from the sun on the skin, which... linked to melanoma (黑素瘤), the most deadly form of skin cancer, as well as to premature (过早的) aging ……

Frogs never drink. They absorb water from their surroundings through their skin. ……

Frogs don’t drink water. They absorb water from their surroudings through their skin. ……

for people in their late 30s and 40s, when skin begins to show signs of aging."It is not replacing face...TRADITIONAL treatments to lift sagging skin and smooth wrinkles have relied on surgery, lasers ……

(培养皿) by using embryonic (胚胎的) skin cells from mice. These follicles were then able to grow hair...) that connect to the hair and root – in a petri dish (培养皿) by using embryonic (胚胎的) skin cells from ……

with gathered rainwater from the roof. Sunlight and wind (air) will also be circulated around the pavilion... of water, environmental warming, and aging that are common to cities, the exhibit will ask how ……