David Zinczenko, the author of "The 8-Hour Diet," and JJ Virgin, author of "The Virgin Diet," share two diets for the new year that incorporate numbers. With the 8-Hour Diet, you eat the foods you choose within an 8-hour period, exercise for eight minutes, and incorporate eight power foods. On the Virgin Diet, you drop seven foods from your diet to lose seven pounds in seven days. (TODAY)
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