Binge eating disorder among men and women. The lifetime prevalence of binge eating disorder has been observed in studies to be 2.0 percent for men and 3.5 percent for women, higher than that of the commonly recognized eating disorders anorexia nervosa and bulimia nervosa. Rates of binge eating disorder have also been found to be similar among black women, white women, and white men, while some studies have shown that binge eating disorder is more common among black women than among white women. Though the research on binge eating disorders tends to be concentrated in North America, the disorder occurs across cultures, In
Hunger (motivational state) person's energy levels fall below a certain threshold, the sensation of hunger is experienced, which is the body's way of motivating the person to eat again. The set-point assumption is a negative feedback mechanism. Two popular set-point theories include the glucostatic set-point theory and the lipostatic set-point theory. The set-point theories of hunger and eating present a number of weaknesses. The positive-incentive perspective is an umbrella term for a set of theories presented as an alternative to the set-point theories of hunger and eating. The central assertion to the positive-incentive perspective is the idea that humans and other animals are