Poor health decisions are essentially permanent. That's precisely what I was trying to say. You can certainly recover from them, and do a lot better, but it's a

Poor health decisions are essentially permanent. That's precisely what I was trying to say. You can certainly recover from them, and do a lot better, but it's a hell of a lot easier and less painful just to prevent them in the first place, and repair is no substitute for the original article, as people with knee replacements well know.