Answer:
bulimia
Step-by-step explanation:
Based on the information provided within the question it can be said that the 17 year old being described in this scenario most clearly suffers from bulimia. this is a psychological disorder in which the individual has a distorted view of their body and are terrified of gaining weight. This disorder sees those individuals have episodes of binge eating which are immediately followed by a purging, either by vomiting or laxatives.