Physiology One patient with chronic diarrhea noticed improvement in symptoms after prolonged fasting. He is most probably suffering from: A Inflammatory bowel disease B IBS C Diarrhea secondary to lactose malabsorption D Enterotoxin-induced diarrhea. 💡 Explanation One patient with chronic diarrhea noticed improvement in symptoms after prolonged fasting. He is most probably suffering from: ✓ Correct Answer: C. Diarrhea secondary to lactose malabsorption