Jillian Michaels: Secrets of ‘The Biggest Loser’

Jillian Michaels, the hard-core personal trainer from NBC’s The Biggest Loser, spent her adolescence overweight and unhappy. Enrolling in a martial arts class helped her shed the pounds and inspired her to dedicate her life to helping others lose weight. In her new book, Master Your Metabolism, she writes that the key to weight loss is balancing your hormones.

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