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父母总是教育孩子要讲卫生,要注意清洁。美国研究人员发现,皮肤表面一些细菌有助阻止发炎,过度清洁反而可能有害健康。
Parents always educate their children to talk about hygiene, pay attention to cleanliness. American researchers found that some bacteria on the surface of the skin help prevent inflammation, over-cleaning but may be harmful to health.