Not only that but I'll bet my next ten paychecks the average American is more sedentary in 2013 than they were in 1961. So I would expect the net surplus calori

Not only that but I'll bet my next ten paychecks the average American is more sedentary in 2013 than they were in 1961. So I would expect the net surplus calorie increase to be a lot more than 24%.