Exercise is, of course, essential for good health, improving our heart and lung function while triggering the release of a host of hormones that bring on feelings of wellbeing. But some surprising studies in America are starting to reveal that even under gruelling training regimes, people fail to lose as much weight as they should. In a study of 464 overweight women, Dr Timothy Church of Louisiana University examined what would happen if they conducted differing levels of exercise.
One group was asked to do no additional exercise, while three other groups were asked to spend 72 minutes, 136 minutes or 194 minutes with a trainer each week for six months. All were asked not to change their diet.
The results were surprising. While all of the women lost weight, including the control group (which is thought to be a consequence of basing the study on overweight women who wanted to lose weight), those who exercised the most did not lose significantly more weight than those who were told not to change their diet.
Read more: Telegraph.co.uk