As nights draw in and the days become colder and darker, it is not uncommon to feel the ‘autumnal blues’ or worse S.A.D. (Seasonal Affective Disorder). More and more research is being carried out on vitamin D and its benefits. Recent studies consider that Vitamin D deficiency may be a possible cause for S.A.D.
What is Vitamin D?
When ultraviolet rays from sunlight strike the skin they trigger vitamin D synthesis, hence its nickname ‘The Sunshine Vitamin’. Vitamin D is not really a vitamin, but one of the oldest prohormones (A substance that can be converted to a hormone), having been produced by life forms for over 750 million years. Phytoplankton, zooplankton, and most animals that are exposed to sunlight have the capacity to make vitamin D.
In humans, vitamin D is critically important for the development, growth, and maintenance of a healthy body, beginning with development in the womb…
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