In addition, both anorexics and bulimics have been shown to have delayed gastric emptying in other words it takes longer for food to leave the stomach (Int J Eating Disor, 1992; 11: 163-
In addition, both anorexics and bulimics have been shown to have delayed gastric emptying in other words it takes longer for food to leave the stomach (Int J Eating Disor, 1992; 11: 163-72; see also Robinson, PH, Gastric Function and Eating Behaviour in Anorexia and Bulimia Nervosa, in Walsh, BT (ed), Eating Behaviour in Eating Disorders, American Psychiatric Press, 1988; 125-40). This can also contribute to feelings of fullness and motivate the individual to diet or to purge more strenuously.
In one study, delayed gastric emptying was linked, not to the effects of starvation or vomiting, but to factors not related to nutrition such as high rates of depression and anxiety. This was particularly true in bulimics (Lancet, 1995; 364: 1240).
The American public spends $33 billion each year in weight control efforts without any real effect (BMJ, 1995; 346: 134-5). Some researchers have estimated that by the year 2030, 100 per cent of adults in the USA will be overweight 