Only a quarter of the 200 women in the study managed to lose this amount. A UK expert said it was clear that regular moderate exercise was the way to lose weight, and keep it off. Approximately two-thirds of adults in the UK are overweight or obese, with some estimates suggesting this could rise to nine in ten by 2050. Research points to a combination of exercise and calorie control as having the best chance of success in weight loss - although the majority of people who attempt these diets fail to keep the weight off. The latest research, published in the Archives of Internal Medicine journal, confirms that plenty of exercise is a key ingredient of success. The Pittsburgh researchers looked at a group of overweight and obese women over a four year period. *** Read more at: http://news.bbc.co.uk/1/hi/health/7530345.stm