How do binge-eating disorder, anorexia and bulimia nervosa affect the lifespan?

Eating DO: Depends on severity and if treatment is saught early.

Chronic: Binge eating can lead to overweight, obesity, and related disorders, e.g. Diabetes, high lipids, hypertension, etc. Bulimia can cause dental, sinus, gastrointestinal, kidney issues. Electrolyte abn. Can cause (fatal) rhythm disturbances. Anorexia nervosa can cause arrythmias, kidney problems, etc.- can be fatal (karen carpenter ring a bell?) all can cause additional emotional issues.

Erodes teeth too.: Among many other serious consequences, it can also wreak havoc on the teeth causing acid erosion. Nutrition suffers making the general health even worse. Psychologically, loss of attractive appearance perpetuates the cycle. It all adds up to a shortened, less healthy and fulfilled lifespan.

Greatly: Untreated or under treated, eating disorders as a whole have up to a 25% mortality rate. That means that eating disorders can be deadly. Studies show treatment helps, and the more treatment, the lower the risk of complications and death.