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20/20 Season 2011 Episode 34

Episode Title: When Seven Looks Like 70
Countries: USA,
Airing Date: July 29, 2011
Runtime:60 mins
IMDb Rating:

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What happens to a family when a child's birth becomes a medical mystery? Barbara Walters reports on Kaylee Halko and Lindsay Ratcliffe, two vibrant young girls who suffer from a rapid-aging disease called progeria, a fatal condition that currently affects 80 known children in the world. The disease causes children to age at 10 times the normal rate. It is incredibly rare - occurring in only one of every four to eight million births - and always fatal. On average, children die at the age of 13.

Barbara Walters     , Chris Connelly     , Christopher Chacon     , Diane Sawyer     , Elizabeth Vargas     , Fantasia Barrino     , Geraldo Rivera     , Hugh Downs     , Liza Minnelli     , Mariah Carey     , Patty Duke