The ratio of moderate to vigorous exercise needed for health outcomes may change depending on the specific health outcome.

“You know maybe we don't say look this is the new guideline because obviously like you said we don't make the guidelines and there's probably a lot that goes into making these guidelines that we don't quite understand or maybe there isn't I don't know. Um, but you know, I think we can at least communicate to people that, hey, look, there's new studies out there now showing that it's not just a oneto two ratio and in fact, depending on the health outcome we're looking at, that ratio changes, you know, and that's that's how biology is.”