Sun Exposure: Vitamin D and Nitric Oxide

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The graphic above shows that increased sun exposure results in decreased mortality.

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Ivor Cummins on Vitamin D

It turns out that most people are vitamin D deficient.  Exposure to UVB sunlight results in vitamin D production in the skin.   Ivor discusses in detail why vitamin D is important for good health.

Paul Mason on Sun Exposure

Paul Mason talks about studies that show that it is not only vitamin D that causes reduced mortality due to sun exposure.  He points to studies that show that UVA sunlight causes the skin to produce nitric oxide which helps to reduce blood pressure.  

Sunlight and Nitric Oxide in the Blood

Another discussion of how UVA in sunlight.  Is good for you.