Final answer:
Jessica's behavior of excessive working out after a large meal aligns with bulimia nervosa, where binges are followed by behaviors such as excessive exercise to prevent weight gain.
Step-by-step explanation:
Jessica always works out on the Stairmaster for hours after eating a huge meal. This type of behavior is most common in Bulimia nervosa. Bulimia nervosa is an eating disorder characterized by recurrent binge eating followed by compensatory behaviors to avoid weight gain, such as excessive exercise, inducing vomiting or using laxatives.
Unlike binge eating disorder which also involves binge eating but without any subsequent purging behavior and is often associated with weight gain and obesity bulimia nervosa can maintain a normal or near-normal weight but can lead to severe health problems such as electrolyte imbalances and heart issues. This repeated cycle of binging and purging can cause significant physical and mental health problems including nutritional deficiencies gastrointestinal issues, and psychological distress.