5 Vitamin D Myths to Stop Believing Now – Huffington Post
Truth: Not necessarily. Studies have shown that Eskimo populations can have high vitamin D levels, while some surfers have low ones, says dermatologist Heidi Waldorf. What does make you susceptible to vitamin D deficiency? “Pregnancy, breast-feeding, old age, malnourishment, kidney disease, absence of any UV exposure, and obesity,” says Waldorf. Some reports suggest that nearly half of the world population might not be getting adequate amounts of vitamin D. But there’s a big caveat: “It’s likely due to malnutrition and a decrease in outdoor activities in developing countries,” says Waldorf.