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You just got your nails done at a salon, and now they're drying under an ultraviolet lamp.
你剛剛在沙龍里做完指甲，現(xiàn)在正在紫外燈下烤干。
They'll look great.
只有這樣才能使指甲看起來更漂亮。
But exposure to UV radiation could prematurely age your hands and even potentially boost your risk of skin cancer.
但紫外線的輻射會使你的手提前老化甚至還有可能增加你患皮膚癌的風(fēng)險。
Researchers found that the output from such nail salon dryers is highly variable.
研究人員們發(fā)現(xiàn)美甲沙龍里的這種烘干器做出的指甲可是十分不穩(wěn)定的。
They measured the amount of irradiation from dryers with different bulbs across 16 salons.
它們測量了16家沙龍中的不同烘烤器上燈泡工作時發(fā)出的輻射。
Higher-wattage lamps emitted higher levels of harmful UV.
高功率的燈發(fā)射出高水平的有害紫外光。
The researchers assumed an eight-minute UV exposure each time.
研究人員假設(shè)每次美甲進行8分鐘的紫外光照射。
The damage to DNA from UV exposure is cumulative.
而照射造成的DNA遺傳損傷效果是能累加的。
So salon customers sitting under the highest-intensity nail dryer just eight times in two years could reach the threshold for DNA damage associated with cancer.
結(jié)論得出美甲顧客們在2年內(nèi)照射8次，就能造成DNA損傷足以致癌的程度。
In contrast, users of the lowest-emitting dryer would need more than 200 visits over a half century.
相比之下，低輻照的烘烤器則需要顧客在50年內(nèi)光顧200次以上才能造成同樣的傷害。
The study is in the journal JAMA Dermatology.
這項研究已經(jīng)在 《美國醫(yī)學(xué)聯(lián)合會皮膚學(xué)》雜志上發(fā)表。
The small study needs to be replicated on a large scale to be confirmed.
這樣的小型研究還需要通過大量重復(fù)試驗才能有更可靠的結(jié)果。
But for now, the researchers advise salon-goers to load up on sunscreen or wear UV-blocking gloves with the fingertips lopped off before going under the lamp.
而現(xiàn)在研究人員們建議喜愛美甲的消費者提前涂抹防曬霜或者戴上只露出指甲的防紫外輻射手套進行保護。
Maybe just air dry.
或者只進行風(fēng)干。
Oh, and try not to breathe the nail polish fumes either.
也別忘記盡量避免呼吸到指甲油的味道。
