TLC's T-Boz Fights Back Against Sickle Cell Disease

As lead singer for the supergroup TLC, Tionne "T-Boz" Watkins has sold more than 65 million records worldwide. But underneath her success, T-Boz has been living with sickle cell disease - an often-misunderstood and potentially deadly illness. T-Boz shares her secrets for keeping strong during flu season. Plus, Dr. Freda Lewis-Hall, Pfizer's chief medical officer, reveals additional sickle cell symptoms to look for.