Except that the variations of the gene associated with obesity are also associated with eating a huge amount more: http://onlinelibrary.wiley.com/doi/10.1038/o

Except that the variations of the gene associated with obesity are also associated with eating a huge amount more: http://onlinelibrary.wiley.com/doi/10.1038/oby.2008.318/abstract;jsessionid=8373C6DC0BC52BF9F49097A2A79CA685.f03t02 http://onlinelibrary.wiley.com/doi/10.1038/oby.2008.318/abst... Which is a much simpler explanation. And even so, carriers of even the highest risk form of the gene are still on average only 6.6lbs heavier than normal: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2646098/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2646098/