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Sources of Vitamin D

Sources of Vitamin D

As we know, the sun is the main source for solar energy. But it is also responsible for release of vitamin D. Sun rays can be divided into UV A and UV B. While UV A rays cause aging, UV B rays burn your skin. However, both are essential for bone health.

They influence cardiovascular disease and some cancers. Geographies located above 42 degrees north latitude are lack of UV B in sunlight. 16% of the U.K people are severely lacked of Vitamin D. 6% of the US residents are suffered from Vitamin D deficiency.

10 minutes of sun exposure is needed in the summer. While 20 minutes of exposure required during spring season, 30 minutes of sunshine is necessitated in the winter. 

Categories : Health Graphs | Published by : graphs | Date : Aug 13, 2012

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