I've fasted a number of times in my life, once for 26 days, and I've found all of those fasts to be very helpful. But why is fasting such a powerful healing modality? In this video, we discuss the science behind fasting, and I give you three reasons why you should consider it if you're sick, injured, or feeling less than vital. I also debunk some of the common reasons why people people suggest you shouldn't fast (like a slowed metabolism).