The inhabitants of South and East Asia have inadequate vitamin D levels in their blood.
In western-dwelling South Asian groups, vitamin D insufficiency (25-hydroxyvitamin D; 25(OH)D) is at epidemic proportions, with severe deficiency (125 nmol/l) occurring in 27–60% of people depending on the season.
This demographic group typically has low vitamin D levels because of their darker skin color, less sun exposure via clothing, and a propensity to stay out of the sun. Because of this, it is even more crucial that they consume enough vitamin D orally, either through diet or supplementation.
A frequent vitamin shortage that affects your bones & muscles is vitamin D insufficiency. Adults above the age of 65 and those with darker skin are those who are most frequently affected. It is both curable and avoidable.
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