There are many kind of food and drinks that we do not know it is not good for our health. Just like for example, it is nice having a cold drink after a meal but cold solidifies oily food we just ate. It slows down digestion. Once this sludge reacts with the stomach acids, it breaks down and gets absorbed by the intestines faster than the solid food and coats the intestines.That is why it is very important that we need to have colon cleanser to prevent intestinal problem. It is best to take hot soup or tepid water after a meal.