The idea that food affects the body is old news. The idea that food affects the soul is harder to sit with, because it asks us to take the physical seriously as a spiritual matter. After more than twenty-five years of working with people who want to raise their consciousness, I keep coming back to the same observation: the ones who stall on their spiritual path almost always have a diet that is working against them. This is not about guilt, and it is not about a rigid list of