Apparentely, it can be a disease of the arteries. And you can lose a foot or a leg if you dont treat and it is that. It hurts a lot tonight, and a bit even when I am sitting at rest. We are both getting old. May Buddha guide me with this pain to learn to live nicely with it if it wont go away ever. Om mani pémé hung Om mani pémé hung Om mani pémé hung