Proponents of fast foods ensure that these foods are safe for human consumption, but critics argue that their effects are bad for health. So, the most serious drawback of fast food is that it badly affects on health and well-being. Firstly, fast food contains a lot of calories, which can make you overweight, and this is one the most important problems in the United States of America, because, as we can see, fast food is mostly popular there. As a statistics says: “One out of four Americans eats fast food every day. Partly due to the fast food culture, about 60% of Americans are overweight or obese”. Unfortunately, this problem concerns not only USA.