Obese people regain weight after dieting due to hormones, Australian study finds

Obese people regain weight after dieting due to hormones, Australian study finds: Worldwide, there are more than 1.5 billion overweight adults, including 400 million who are obese. Although restriction of diet often results in initial weight loss, more than 80 per cent of obese dieters fail to maintain their reduced weight. Obese people may regain weight after dieting due to hormonal changes, a new study has shown.