Originally Posted by GMW
It doesn't, it's just more common from the descendants of sub-saharan africa.
Yea, I did a little research real quick. LOL. I heard a guy on the radio bring it up last night, but I didn't know anything about the disease. So I looked it up after making my post and found out it had to do with malaria in Africa and sickle celled people lived through it better than non-sickle cell people. Never knew that. Either did the guy on the radio apparently.