Because you Neatorama readers are so smart, you mi...  ...so smart, you might already know how sickle cell anemia makes someone resistant to malaria. This apparent...  ...it for survival in other ways. While sickle cell anemia is the best known of these evolutionary diseases,...

As an assignment, Professor Daniel Fletcher of the...  ...hed areas of the world where malaria, sickle-cell anemia , and tuberculosis are widespread. In such places...