Answer: Anorexia/Barrett's Esophagus
Explanation: Some people who have bulimia constantly regurgitate their food after eating and acid also comes up with that food. And if your esophagus is exposed to acid for long periods of time you can get Barretts's Esophagus which can lead to cancer. And Anorexia happens when you are malnourished from not eating and can cause complications if you have it for too long.