The importance of a diverse diet. How do you, i know, i know they're not totally mutually exclusive, but you don't emphasize that very much. Sir garry, can i just pick up on this, because this does seem to be an enormously important point. When you drill into sugar and hammer away at reducing the sugar in people's diets, and aren't too focused on what they might be replacing sugar with, which is what sarah's emphasizing. Tim's work really seems to undermine that idea. I think he would think, as i do, being a scientist of panabaan phraser, that he would assume that whatever as one apidemic, it's probably