Dr. John McDougall breaks through cultural taboos with a candid, humorous look at how the digestive tract functions. Join Dr. McDougall in his office as he motivates two of his middle-aged patients to make wiser lifestyle choices in order to regain their digestive health. Learn how a low-fat, cholesterol-free, plant-based diet can prevent and cure constipation, hemorrhoids, IBS, and other chronic intestinal disorders. Readers will also be able to understand the workings of their digestive system in layperson's terms.