When 34-year-old twins Mary and Ruth appeared on 'The Oprah Winfrey Show,' in 2005, Mary was 300 pounds heavier than her sister. While Mary constantly felt like 'the fat twin,' Ruth battled eating disorders. During the show, Mary's son confessed to his worries about his mother's weight. Six years later, though, Mary was devastated by a tragedy that ultimately pushed her to take the first step to getting healthy.
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