At 12, Gillian Michaels was overweight. With the growth of 150 cm, the girl weighed as much as 79 kg. Mother Gillian Michaels decided to help her daughter and brought her to the sports section. Since then, a long time passed and Gillian Michaels noticeably changed, getting rid of excess weight and getting a slender, smart figure. Deciding to help others, Gillian Michaels developed an author's diet and an effective training program, the essence of which was stated in the publication "Lose Weight in 30 Days."