Hate To Sound Stupid But...
I have asthma and i have a peak flow disvice and all that, but what does a peak flow actully messure? It just randomly popped into my head, i know my doc told me to record my messurement but i just realized that i dont know what the messurements mean or shows lol.
And how do you know what your peak flow should be?
My doc never told me i dont think, I am 19 old female.
Your answers would be great