Sure - cardio is more efficient at burning calories than lifting... while you are exercising. The point is that anaerobic exercise builds muscle, which boosts

Sure - cardio is more efficient at burning calories than lifting... while you are exercising. The point is that anaerobic exercise builds muscle, which boosts your basal metabolic rate. Unless you're doing cardio several hours per day, lifting will be much more efficient. edit: minor word change for clarity.