Fasting is a willing abstinence from food for a period of time. It is one of the most abused and least used of all the practices of Jesus. Yet for millennia, it was a core practice of apprenticeship. We live in a culture not only of food, but of excess, luxury, and addiction. For so many of us, the desires of our body have come to hold power over us. In the battle with our “flesh,” we have become its slave, not its master.