When we think of medicine, we usually picture pills, injections, or other treatments, but what if the most powerful medicine was on our plate? How can the right diet truly transform our health? We spoke with Dariush Mozaffarian, MD, PhD, cardiologist, and Director of the Food is Medicine Institute at Tufts University, about what defines a healthy diet, integrating food into healthcare, and how important policy changes are needed to prioritize food and nutrition in addressing public health.