Cardiorespiratory fitness declines with age, making it important to improve and bank fitness early in life.

“As we're aging, we we start with our with our cardiorespiratory fitness and there's things we can do to get high, right? And that's where we want to be. But as we're aging, we kind of head towards this cliff. We're going down. Our cardiorespiratory fitness declines with age. And so you want to really bank in all you can and improve your cardiorespiratory fitness early on because you want to be higher up because you will reach that cliff. You just want to reach it at a later time point.”