I was born 3 months early didn't even weigh 2 lbs I was born 1953 growing up in the 1950s and 1960s everyone smoked everywhere everyday so did my parents now and for years I have suffered with chronic bronchitis and I have COPD from second hand smoke I never smoked other things bother my breathing too like smoke dust etc I can hardly do anything anyway I have good oxygen levels just can't breathe like a rubber band is around my chest pulling it to tight also the weather doesn't help the humidity and the dew point doesn't help, my son helps me but he doesn't understand why in like I am,,, any suggestions thank you and bless us all