Dr Carel le Roux, an obesity specialist thinks there is another explanation, why some people appear not to get fat despite eating at lot. She says, "Studies have shown that this tendency to lay down muscle rather than fat when we over-eat is genetically determined. All of these answers focus on gene...

Dr Carel le Roux, an obesity specialist thinks there is another explanation, why some people appear not to get fat despite eating at lot. She says, "Studies have shown that this tendency to lay down muscle rather than fat when we over-eat is genetically determined.