It is known by many nutrition oriented healthcare professionals, that African Americans tend to produce less Vitamin-D and tend to have lower circulating levels of vitamin-D in their bodies because of their darker skin pigmentation, which interferes with vitamin D production from sunlight. Cancer researchers note that African Americans have an increased risk of dying from certain types of cancers when compared to Caucasians. They postulate that these increased risks of dying from certain cancers may be due to their...