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UV Light Provides a Multitude of Health Benefits

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  • The evidence clearly shows that once you reach a serum vitamin D level of 40 ng/ml, your risk for cancer plunges by 67 percent, compared to having a level of 20 ng/ml or less

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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

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