TheGrio - Sickle cell testing for college athletes underway

Thousands of families carry the gene that causes sickle cell disease and don't know it — even though almost every newborn today is tested for what's called "sickle cell trait," and starting this summer more college athletes are getting tested, too. Spurred in part by rare but tragic collapses of athletes from overexertion, work is beginning to find families missed by newborn screening or who didn't understand that sickle cell trait has ramifications.