TLC Superstar T-Boz's Health Crisis

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 reveals a painful misunderstanding she deals with when she goes to the hospital. Plus, Dr. Freda Lewis-Hall, chief medical officer at Pfizer, shares treatment options for those suffering from sickle cell disease.

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