Binge eating disorder in childhood. A few studies have suggested that there could be a genetic component to binge eating disorder, though other studies have shown more ambiguous results. Studies have shown that binge eating tends to run in families and a twin study by Bulik, Sullivan, and Kendler has shown a, "moderate heritability for binge eating" at 41 percent. More research must be done before any firm conclusions can be drawn regarding the heritability of binge eating disorder. Studies have also shown that eating disorders such as anorexia and bulimia reduce coping abilities, which makes it more likely for those suffering to
Emotional eating Those who experience this biologically instigated increase in appetite during times of stress are therefore primed to rely on emotional eating as a coping mechanism. Emotional eating differs from actual hunger in a number of ways. Emotional hunger tends to hit quickly and suddenly and feels urgent, yet physical hunger is usually not as urgent or sudden unless it has been a while since a person ate. Someone who is physically hungry will often eat anything, while someone who is emotionally hungry will want something specific, such as fries or a pizza; emotional hunger is usually associated with cravings for