CS Lewis is brilliant

"That same mysterious force which we call gravitational when it steers the plants and biochemical when it heals a live body, is the efficient cause of all recoveries. And that energy proceeds from God in the first instance. All who are cured are cured by Him, not merely in the sense that His providence provides them with medical assistance and wholesome environments, but also in the sense that their very tissues are repaired by the far-descended energy which, flowing from Him, energises the whole system of Nature."