Do I look fat in these genes? Exercise can cancel out effects of 'heavy-weight' DNA: Scientific American Blog:Exercising 3+ hours a day is not compatible with life in a post-industrial world. If these results turned out be generalizable to a reasonable portion of the obese population (big if), then we'd know that exercise won't control our expanding (sorry) obesity problem. We already know diet doesn't work, so here's hoping for great drugs ...
... Physically active people who carry gene mutations linked to obesity are no more likely to be overweight than those without the variants -- as long as they exercise at least three hours a day...
Either that, or we get rid of our cars ...
Update: see a good comment critiquing this post