Repeated dieting may lead to weight gain because the brain interprets the diets as short famines and urges the person to store more fat for future shortages, new research by the universities of Exeter and Bristol suggests.
This may explain why people who try low-calorie diets often overeat when not dieting and so don’t keep the weight off.
By contrast, people who don’t diet will learn that food supplies are reliable and they do not need to store so much fat.
The study, published in the journal Evolution, Medicine and Public Health, is based on observations of animals such as birds. Full Story