Eating nutritious food rather than eating junk foods is a way in which we can prevent diseases. It is important because it gives us essential nutrition which are required by our body and it is better for our health and it gives a lot of energy more than we need. Too much junk food causes so many problems for our health because it does not give us any nutrition. Junk foods give the way to diseases like obesity, cancer and ulcers, and others. Eating nutritious food saves time and money because it is usually much cheaper than eating at a restaurant or market because they are processed foods and it causes allergies to the body.