You meet a 40 year old man who had bariatric surgery about 10 weeks ago. He had a BMI of 41 and had failed non-surgical weight loss. He underwent a Roux-en-Y gastric bypass procedure without complications. Today he presents to you complaining of nausea, shaking, sweating, and diarrhea shortly after eating cookies and candies. He's developed an aversion to those foods.
Challenge: This describes a common syndrome after Roux-en-Y gastric bypass. What is it?