This section of the book is from the "How and When to Be Your Own Doctor" book, by Dr. Isabelle A. Moser with Steve Solomon, published in 1997.
Loss of weight indicates, almost guarantees, that detoxification and healing is occurring. I can"t stress this too much. Of all the things I find my patients seem to misunderstand or forget after being told, it is that they can"t heal in a rapid manner without getting smaller. This reality is especially hard for the family and friends of someone who is fasting, who will say, "you"re looking terrible dear, so thin. Your skin is hanging on your bones. You"re not eating enough protein or nutrient food to be healthy and you must eat more or you"re going to develop serious deficiencies. You don"t have any energy, you must be getting sicker. You"re doing the wrong thing, obviously. You have less energy and look worse every day. Go and see a doctor before it is too late." To succeed with friends like this, a faster has to be a mighty self-determined person with a powerful ability to disagree with others.
Medical personnel claim that rapid weight loss often causes dangerous deficiencies; these deficiencies force the person to overeat and regain even more weight afterward. This is largely untrue, though there is one true aspect to it: a fasted, detoxified body becomes a much more efficient digester and assimilator, extracting a lot more nutrition from the same amount food is used to eat. If, after extended fasting a person returns to eating the same number of calories as they did before; they will gain weight even more rapidly than before they stated fasting. When fasting for weight loss, the only way to keep the weight off is to greatly reform the diet; to go on, and stay on, a diet made up largely of non-starchy, watery fruits and vegetables, limited quantities of cooked food, and very limited amounts of highly concentrated food sources like cereals and cooked legumes. Unless, of course, after fasting, one"s lifestyle involves much very hard physical labor or exercise. I"ve had a few obese fasters become quite angry with me for this reason; they hoped to get thin through fasting and after the fast, to resume overeating with complete irresponsibility as before, without weight gain.
People also fear weight loss during fasting because they fear becoming anorexic or bulimic. They won"t! A person who abstains from eating for the purpose of improving their health, in order to prevent or treat illness, or even one who fasts for weight loss will not develop an eating disorder. Eating disorders mean eating compulsively because of a distorted body image. Anorexics and bulimics have obsessions with the thinner-is-better school of thought. The anorexic looks at their emaciated frame in the mirror and thinks they are fat! This is the distorted perception of a very insecure person badly in need of therapy. A bulimic, on the other hand stuffs themselves, usually with bad food, and then purges it by vomiting, or with laxatives. Anorexics and bulimics are not accelerating the healing potential of their bodies; these are life threatening conditions. Fasters are genuinely trying to enhance their survival potential.
Occasionally a neurotic individual with a pre-existing eating disorder will become obsessed with fasting and colon cleansing as a justification to legitimize their compulsion. During my career while monitoring hundreds of fasters, I"ve known two of these. I discourage them from fasting or colon cleansing, and refuse to assist them, because they carry the practices to absurd extremes, and contribute to bad press about natural medicine by ending up in the emergency ward of a hospital with an intravenous feeding tube in their arm.