A new study from the US National Institute of Health shows that if you want to lose weight, the type of food you eat is less important than the amount of calories you consume.
The two year study, published in the New England Journal of Medicine, gave 811 overweight people aged between 30 and 70 one of four different styles of calorie-controlled diets and found that everyone lost the same amount of weight.
In each of the four groups, eaters averaged a weight loss of six kilos within six months.