Interval Weight LossTrick your body into losing weight using this simple, scientific method Ever gone on a diet but ended up heavier than when you started? It's not your fault. As Dr Nick Fuller, one of Australia's leading obesity researchers, has discovered, we're all tuned to a set body weight a weight range that the body feels most comfortable being. When you take your body out of that comfort zone, it will work back towards its starting point as a defence mechanism.