This video reveals Mystry of Sun exposure in developing body Immunity system, in Natural way, by fostering precious resources of Vitamin D which is deficient in majority of world population.
Sun ultra violet B (UVB) RAYS may help boosting Immunity system which may be beneficial in preventing or treating, besides other evidence based systematic treatments, to win not only challenging war against deadly coron virus (COVID-19) but also other diseases due to different bacteria and viruses.
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