Colonics, Laxatives, and More,. by Stephen Barrett, M.D.
The importance of “regularity” to overall health has been greatly overestimated for thousands of years. Ancient Egyptians associated feces with decay and used enemas and laxatives liberally. In more recent times, this concern has been embodied in the concept of “autointoxication” and has been promoted by warnings against “irregularity.” [1]
The theory of “autointoxication” states that stagnation of the large intestine (colon) causes toxins to form that are absorbed and poison the body. Some proponents depict the large intestine as a “sewage system” that becomes a “cesspool” if neglected. Other proponents state that constipation causes hardened feces to accumulate for months (or even years) on the walls of the large intestine and block it from absorbing or eliminating properly. This, they say, causes food to remain undigested and wastes from the blood to be reabsorbed by the body [2].
Around the turn of the twentieth century many physicians accepted the concept of autointoxication, but it was abandoned after scientific observations proved it wrong. In 1919 and 1922, it was clearly demonstrated that symptoms of headache, fatigue, and loss of appetite that accompanied fecal impaction were caused by mechanical distension of the colon rather than by production or absorption of toxins [3,4]. Moreover, direct observation of the colon during surgical procedures or autopsies found no evidence that hardened feces accumulate on the intestinal walls.
Today we know that most of the digestive process takes place in the small intestine, from which nutrients are absorbed into the body. The remaining mixture of food and undigested particles then enters the large intestine, which can be compared to a 40-inch-long hollow tube. Its principal functions are to transport food wastes from the small intestine to the rectum for elimination and to absorb minerals and water. Careful observations have shown that the bowel habits of healthy individuals can vary greatly. Although most people have a movement daily, some have several movements each day, while others can go several days or even longer with no adverse effects.
The popular diet book Fit for Life (1986) is based on the notion that when certain foods are eaten together, they “rot,” poison the system, and make the person fat. To avoid this, the authors recommend that fats, carbohydrates and protein foods be eaten at separate meals, emphasizing fruits and vegetables because foods high in water content can “wash the toxic waste from the inside of the body” instead of “clogging” the body. These ideas are utter nonsense [5].
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