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TAMPA, FL - JANUARY 27: ABC analyst and Hall of Famer Frank Gifford looks on before Super Bowl XXV with the New York Giants against the Buffalo Bills at Tampa, Florida on January 27, 1991 in Pasadena, California. The Cowboys won 20-19. (Photo by George Rose/Getty Images)
TAMPA, FL - JANUARY 27: ABC analyst and Hall of Famer Frank Gifford looks on before Super Bowl XXV with the New York Giants against the Buffalo Bills at Tampa, Florida on January 27, 1991 in Pasadena, California. The Cowboys won 20-19. (Photo by George Rose/Getty Images)

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    Frank Gifford suffered from brain disease, family says

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Frank Gifford suffered from brain disease, family says

The family of Frank Gifford revealed that he suffered from a brain disease believed to be related to concussions. CNN's John Berman talks to Christine Brennan.

Frank Gifford suffered from brain disease, family says

The family of Frank Gifford revealed that he suffered from a brain disease believed to be related to concussions. CNN's John Berman talks to Christine Brennan.