Have you ever, unsuccessfully, tried low-calorie dieting? There are very good reasons why it doesn't work, but somehow they remain a secret...After more than 35 years of clinical practice and helping many thousands of patients to live at their ideal weight, Dr John Mansfield shares his unique approach: weight gain is a condition that has specific causes that can be identified and tackled, and which will be individual to YOU. Discover: - why there is no one-size-fits-all diet that works in the long term - how low-calorie and low-fat dieting contributes to weight gain - how refined carbohydrates result in 'hyperinsulinaemia' and weight problems - how gut yeasts make matters worse - how to tell if your thyroid is also part of the problem - most importantly, the significance of individual food sensitivities: how to identify and tackle what is specific to YOU