August 13 2009
We appear to be bombarded with contrasting suggestions on whether we should sunbathe or not. Cancer Research UK advises that you avoid of the sun altogether to avoid skin cancer, and I saw the exact same guidance echoed in a Healthspan magazine in 2008. However, this guidance has been criticised by some prominent scientists and nutritionists.
Vitamin D
The mental benefits of direct exposure to sunshine are stimulating and uplifting. Sunshine promotes production of serotonin, which makes us feel great and, at the same time, suppresses melatonin so we feel less tired.
Vitamin D from the sun helps us soak up calcium and prevent osteoporosis (permeable bones) – merely consuming calcium-rich foods without the vitamin is insufficient, as the calcium may end up transferring itself in locations other than the bones, which is not good news.
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Vitamin D helps to combat infections and stop the spread of cancer cells. More evidence from scientists is showing an increased link between vitamin D from sunlight and the reduction in cancer risk. In addition, researchers at Aberdeen University have actually revealed that absence of vitamin D from sunlight contributes to weight problems. Of course, during the colder months where there is less sun this is more challenging, so it is essential during the warmer seasons to 'top up' our vitamin D stores. Sunbeds mostly obstruct out the UVB rays however not the UVA rays, and it is the UVB that makes the vitamin D in your skin.