Peter Attia· MD
we've talked about so many different types of Health metrics and we've talked about how output metrics tend to be preferable you know we can sort of think of them as functional metrics um you know I like an oral glucose tolerance test more than a hemoglobin A1c one is kind of functional it actually is a test it watches how you do something V2 max strength those are more functional tests than maybe resting heart rate or uh muscle mass right