This chapter explores the tendency in science and medicine to stick to the initial plausible explanation, even when it may be incorrect. Using the example of diabetes, it emphasizes the importance of questioning existing ideas and considering all evidence, not just confirming evidence.
In "Rethinking Diabetes: What Science Reveals About Diet, Insulin, and Successful Treatments," science journalist Gary Taubes argues that when it comes to treating diabetes, a disease that one in five Americans struggles with, we need to focus on diet—particularly, fewer carbohydrates and more fat — over a reliance on insulin