It doesn’t take much energy for us to move. Take sex, for instance. One of the “Seven Myths About Obesity” identified in The New England Journal of Medicine is that a bout of sexual activity burns a few hundred calories.3104 So you may think, Hey, I could get a side of fries with that! But if you hook people up (literally and figuratively) and actually measure their oxygen consumption during the act (assuming they don’t get too tangled up in all the wires and hoses), having sex only turns out to be the metabolic equivalent of bowling.
