The Health and Medicine Division of the National Academy of Sciences has long recommended that adults consume at least 1,000 milligrams of calcium daily, and women age 50 and older should consume even more. What's great advice for Americans with European ethnicity, however, may not be great advice for Americans with West African ancestry. That demographic has high susceptibility to certain cancers when exposed to America's calcium-rich, dairy food culture, according to Professor Constance Hilliard, evolutionary African history researcher. UNT released a short video where Dr. Hilliard explains some of her findings and you can watch it here.