Moderate intake of caffeine may prevent skin cancer
Previous studies have shown that caffeine inhibits a protease called ATR. In the new study, researchers at Rutgers University developed genetically modified mice in which the ATR protease was suppressed. After exposure to ultraviolet radiation, genetically modified mice developed skin tumors three weeks later than ordinary mice; after 19 weeks in ultraviolet environment, the number of genetically modified mice with tumors was 69% less than that of ordinary mice, and the number of genetically modified mice with invasive tumors was only 1/4 of that of the latter.
The findings have been published in the Proceedings of the National Academy of Sciences. The researchers said that caffeine can prevent UV damage, which may be due to the fact that caffeine inhibits ATR protease, which further promotes the apoptosis of DNA cells damaged by UV radiation, reducing the risk of the damaged cells turning into tumor cells.
Moderate consumption of caffeine may prevent skin cancer, researchers say. In addition, because caffeine can also absorb ultraviolet rays directly, it can also be used as a sunscreen.
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Coffee industry springing up in Ninger, Yunnan
Since the introduction, development and cultivation of small-grain coffee in Ning'er County, Yunnan Province in 1989, it has become another important channel to increase agricultural efficiency and increase farmers' income. According to statistics, the output of coffee beans in the county reached 4500 tons in 2010, with an output value of 113 million yuan.
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Dutch researchers say that drinking coffee may have something to do with genes
Researchers at Erasmus University Medical Center in the Netherlands surveyed 18000 people that coffee drinking may have something to do with genes.
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