Answer:
Lana is suffering from bulimia, or Bulimia nervosa.
Step-by-step explanation:
Bulimia nervosa refers to an eating ailment, which is featured by binge eating succeeded by purging. Consuming a bigger quantity of food in shorter time duration is considered as binge eating, and the attempts to get rid of the food eaten is known as purging. The act of purging can be done by taking laxatives or by vomiting. Bulimia nervosa is a mental health condition.