[cycomanic]

For that to be true the base metabolic rate would need to be vastly different between individuals. While it is true that there is significant variation (according to Wikipedia more than 100%), most of that variation (60%) seems to be explained by differences in lean body mass, which is the other side of loosing weight, exercise. From those results I would argue the is little evidence that some people would have to cut dien to almost nothing while others could almost continue eating like before