How does it ignore it while specifically citing it, over and over again? However the basic reality is that it's a lot easier/achievable to significantly change

How does it ignore it while specifically citing it, over and over again? However the basic reality is that it's a lot easier/achievable to significantly change calories in. Simple keeping your body and brain operating is actually a pretty energy expensive function, such that dramatically increasing your activity is only going to mildly increase your daily energy use. You can not eat that muffin....or exercise on the stair climber for an hour, for instance. As an aside, loads of exercise equipment and guides effectively lie about this by including basal calories with active calories, grossly overstating the calories "burned" by activities. So again, exercise. Eat healthy. But most importantly of all, eat less.