The cause of diseases if you eating fast food often you will are obesity while you are obesity you will have many other diseases such as the circulatory system diseases is caused by fat to catch the blood vessels and it lead to the thromboembolism. Next, respiratory system diseases obese people usually breathe faster so that the body has enough oxygen and perhaps if breathing faster it will to gasp for breath then if you are obesity it makes to difficulty breathing. Moreover, fast food also result in a blood pressure diseases because mostly fast food is high in sodium if the body accumulates more sodium may cause the blood pressure diseases and kidney disease.