Susan, a woman of relatively normal weight, sometimes eats huge quantities of junk food with no ability to stop herself. She follows this with long periods of complete fasting. Based on this information, Susan would:

This is a binge eating disorder.

Explanation:

Susan should proceed normally after a binge eating occurs. She needs to get back on track immediately. She should not restrict herself the next day to 'make up' for what she ate, however. She should continue to eat healthy foods and drink water to flush out the junk food from her system, and her body will balance itself out back to normal. However, if she restricts after this binge, she will become so hungry that she will binge again, leading to a never-ending cycle.