The epidemic of vitamin D deficiency has put us at risk for several types of cancer such as breast, colon, and prostate. We need UVB sunlight to make vitamin D in our skin and we don't get it much anymore.
The epidemic of vitamin D deficiency has put us at risk for several types of cancer such as breast, colon, and prostate. We need UVB sunlight to make vitamin D in our skin and we don't get it much anymore.