Behavioral nudges are everywhere: calorie counts on menus, automated text reminders to encourage medication adherence, a reminder bell when a driver's seatbelt isn't fastened. Designed to help people make better health choices, these reminders have become so commonplace that they often go unnoticed. In Nudging Health, forty-five experts in behavioral science and health policy from across academia, government, and private industry come together to explore whether and how these tools are effective in improving health outcomes.

Behavioral science has swept the fields of economics...