While researchers have known that there is some link between Vitamin D deficiency and Type 2 diabetes, they still do not know whether or how one affects the other. A recently published review by US researchers looks at the factors that lead to differences in Vitamin D levels in the blood despite similar exposure to sun or supplementation. The study points out that absorption of vitamin D is higher when the exposure to sun is at a non-inflammatory level, obese individuals need more supplements as Vitamin D can get stored in the fat tissues, and that women usually have higher