How Cold affect the digestion The intestines need to be kept warm for the digestive enzymes to function efficiently. The intestinal enzymes break the food down into invisible small particles for the body to use. When cold food is eaten, the food travels to the stomach and cools the stomach down. When cold refrigerated or icy drink is consumed, the fluid quickly travels through the stomach to the small intestine. When your intestines become cold the digestive enzymes become sl