"Oh, right, Muggles couldn’t have done, right? They don’t have the technology. They get along well enough without magic in some things -- ingenious, honestly -- but their medicine’s nothing to be excited about. Lils told me all about how they jab you with long metal sticks to get blood into vials, of all things, to do even a bit of check-up." Sirius shudders. "Seems a tad medieval, don’t it?"