researchers at the university of kiel in northern germany put this to the test. this study investigates that the link between appetites and calorie intake. the test subjects spend several days on the side and every parameter was strictly monitored. that included the food intake and how much they exercised their oxygen consumption was monitored. and so was they c o 2, production, even the urine was analyzed that and out the research is to determine the link between calories burned, appetite and, and physical activity. in the us, what we observed is that when we have a high level of physical activity, when we expend a great deal of energy, our appetite is better coordinated to our energy needs. and then, but if we spend a day sitting at her desk or on the sofa watching television, what we see is that our appetite ends up out stripping our energy needs. then we end up eating more food than we really need to get to feel we all get hungry and we all need to eat. but century people often are hungry and they need to be and oh, the people who are physically active expens