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自由基是怎樣產生的？
Views：5199次 Author： Publish date：2018-09-14 15:00:45
On the one hand, it comes from internal sources: free radicals are generated at all times during human respiration and metabolism. As long as a person lives, free radicals are constantly produced in the body.

On the other hand, it comes from external sources, such as radiation, ultraviolet ray, electromagnetic wave, smoking, drinking, drug taking, environmental pollution, chemical drug abuse, preservative, germ virus infection, mental pressure, etc.

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