Peter Attia· MD
they are not designed for number one early cancer screening or detection where the levels of circumference day are many logs lower and they're not designed for this question of is the patient cured or not after treatment again where the levels are much lower they are designed for this one thing and um and that's very important to recognize that we you can't that test if you know if you were to go to the doctor and say you know i i want to test to see whether i'm cured or not that those fda approved tests don't do that