Scott Keatley, RD, from Keatley Medical Nutrition Therapy, offers insightful contributions to the article discussing the intricacies of intermittent fasting, particularly in understanding the calorie limits that break a fast. He addresses a common misconception about the specific number of calories that can be consumed without breaking a fast, debunking the widely circulated belief that 50 calories are acceptable. Keatley clarifies that technically, any caloric intake marks the end of a fasting period, emphasizing that fasting means abstaining from any kind of food. His expert input provides clarity and dispels myths, aiding readers in better understanding the nature of fasting and how to effectively manage their dietary intake during such periods.