hi for any one how have COPD and stile alive here is your saver. u know there is no cure for emphysema and bronchitis the MD can only offer U deference Brande of inhaler. here what U do U can improve UR breathing 20/30%.on UR PC print FG %35 H2O2 (Hydrogen-Peroxid) throatily dear how to use it when u have a mix of 1 %35 h2o2 to 11 Dis water. just inhale that mix 3time 3time a day for 10 days than reduced as it needed . good luck