The most common cause of cancer deaths for black women are due to breast cancer and colorectal cancers while for black men cancers mainly include prostate, lung, and colorectal cancers.

Heart disease patients in Norway, a country where folic acid is not fortified into food, noticed higher cancer and death risks after receiving vitamin B12 and folic acid treatments.

Type II diabetes affected about 171 million people worldwide in the year 2000. By the year 2030, experts estimate nearly 366 million people will have type II diabetes.