PAI Health - You know your chronological age, but do you know your Fitness Age? By tapping on 'History' in the PAI Health app and scrolling down, you can see your Fitness
![Personal Activity Intelligence (PAI): A new standard in activity tracking for obtaining a healthy cardiorespiratory fitness level and low cardiovascular risk - ScienceDirect Personal Activity Intelligence (PAI): A new standard in activity tracking for obtaining a healthy cardiorespiratory fitness level and low cardiovascular risk - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0033062019300398-gr1.jpg)
Personal Activity Intelligence (PAI): A new standard in activity tracking for obtaining a healthy cardiorespiratory fitness level and low cardiovascular risk - ScienceDirect
![Association between Personal Activity Intelligence (PAI) and body weight in a population free from cardiovascular disease – The HUNT study - ScienceDirect Association between Personal Activity Intelligence (PAI) and body weight in a population free from cardiovascular disease – The HUNT study - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2666776221000685-gr1.jpg)