Annual average exposure to erythema-inducing UV radiation at ground level. Source: Jablonski & Chaplin, 2000. At high northern latitudes, vitamin D can be obtained only from one’s diet, notably fatty fish. Yet many northern native peoples consume little fish. Have they evolved a different vitamin D metabolism? I’ve just published an article on population differences in vitamin D metabolism, specifically about northern native peoples.
We all hear, ad nauseum, that fish should play a big role in a healthy diet. They're a good source of protein, are packed with essential fatty acids, provide a range of vitamins and minerals, and are low in "bad" fats (true regardle... Read Post
According to a new study published online in the Journal of Gerontology elderly individuals with insufficient levels of vitamin D, regardless of whether obtained through diet, supplements or sun exposure, could have a higher risk of... Read Post