One thing I dont really understand, I have read somewhere that you will only feel short of breath when your Fev1 is 50 % or less??. Or maybe they mean, when you only have half your lung capacity left?, this seems strange, because i feel sob often. My latest pft was Fev1 105, fvc 115 and fev1/fvc 73. Maybe its due to the fact that i am obese and use Cpap.
Hope you are all doing well