Optimal is an ever-changing, fluid idea. It ties into notions of the best, highest, most refined. And when we pair “optimal” with “health”, it carries even greater import and force. On the one hand, optimal health is a notion filled with aspirational overtones, a beacon of promise and an avenue that leads to the fulfillment of the good life. But in the same breath, it can be a frustrating, elusive goal, one that shifts with changing life circumstances and accompanied by inevi