Doctors for the late NFL Hall of Famer and sports commentator Frank Gifford say the 84-year-old suffered from the debilitating brain disease Chronic Traumatic Encephalopathy
Doctors for the late NFL Hall of Famer and sports commentator Frank Gifford say the 84-year-old suffered from the debilitating brain disease Chronic Traumatic Encephalopathy. Neurologist Dr. Michael Chachere discussed the diagnosis with CBSN's Contessa Brewer
