What Happened When Scientists Put African Americans On An African Diet And Africans On An American Diet This goes along with what I have suspected: different ethnic groups are more adapted to certain types of diets. When you take a group of people that have evolved to eat certain types of foods over thousands of years, and suddenly change their diet, there are going to be health problems. It has long been known that people in the African American community tend to have higher rates of cardiovascular disease.
