Obesity and low Vitamin D Linked to diabetes risk It seems that obesity may place a person's body into a vicious cycle of low Vitamin D and type II diabetes.
Researchers found that when somebody is both obese and has low Vitamin D levels, their risk of insulin resistance is much greater than if they have either factor alone. In other words, Vitamin D deficiency plus obesity, combined, increases your risk of developing insulin resistance much more than just obesity or just low Vitamin D.
Shaum Kabadi, from Dextrel University, said "Vitamin D insufficiency and obesity are individual risk factors for insulin resistance and diabetes. Our results suggest that the combination of these two factors increases the odds of insulin resistance to an even greater degree than would have been expected based on their individual contributions.