Is High Intensity Interval Training the Best Thing?

There are so many bi what we call bio plausible narratives that we can come up with, where we look at a pathway and then we create this theory or this rational out of this. Go to someone who believes fufulfilling, like the best thing to do is high intensan interval training, and it's the only thing we can do. We've got a hundred years of innovation to tell us that they weren't doing the best thing right? And then another, it's funny, there's a lot of reductionism that we briefly touched on is within breathing. And breath so nose breathing, for example.