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The Sun is Back!
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| How could anything this beautiful be harmful? Well, anything in large doses ... but researchers are recommending some sun daily. |
Specifically, they estimate that 250,000 cases of colorectal cancer and 350,000 cases of breast cancer could be prevented with an increase of vitamin D3, particularly in countries north of the equator.
The is the firs study to use satellite measurements of sun and cloud cover in countries where blood serum levels of vitamin D3 were also taken. Serum vitamin D levels during the winter from 15 countries were combined and applied to 177 countries to estimate the average serum level of a vitamin D metabolite among the population.
To increase vitamin D3 levels, researchers recommended a combination of dietary methods, supplements and sunlight exposure of about 10 to 15 minutes a day, with at least 40 percent of skin exposed.
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Dr. Mark Houston
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