Foods that contain sugar are very harmful for us. Sugar is responsible for causing many diseases including diabetes. We should restrict the intake of sugary foods. These foods are very unhealthy and we should avoid them. Sugary foods cause weight gain, which is a major health challenge. Sugar intake causes obesity and it leads to many types of health problems. We will tell you about some foods that have very high amount of sugar. People eat these foods without knowing that they contain sugar. Some fast foods and readymade foods like breads, sandwiches, sauces and salad dressings have sugar but people don’t know about it. Following are top 10 foods that contain surprising amounts of sugar.