Eat three meals a day, but not defecation, large intestine food residue will turn bad, rotten produce large amounts of toxins. Intestinal generally 5-6 m long, 3.5 cm have every corner, while the intestine and countless small protrusions. In these corners at the projection room can accumulate up to 6.5 kg of stool, which occupies space in the intestine, the intestinal motility is slow and weak, can not be the new generation of food residue discharge, there eat a lot less pull, even several days not row once. If more than two days without a bowel movement, the body weight of food residue must not lighter than a 6-pound bowling ball.