The Cast That Held the Healing

When Dr. Sarah Chen sets a broken femur at Massachusetts General Hospital, she doesn't heal the bone — she positions it. She aligns the fractured edges, wraps the limb in plaster, and then does something that surprises her youngest patients: she tells them to wait. The healing, she explains, isn't her work. It belongs to the body itself, to the remarkable biological process God wired into every human cell.…