Ok I hadn't heard of it mentioned anywhere thinking about it i had about 15 tea shirts like new given me off a mate and they actualy smelled quite nice maybe it's something to do with that also I'm on a new inhaler made by aztrazeneca the company who made the covid jabs or one of its a study I'm on and it realy does help clearing my chest I still get out of breathe and tired all the time copd is a sod turn on the settee when laying down to face the tv and I'm gasping for air struggle to make a cuppa in mornings got to wait for a few hours then I go out to the kitchen slowly yeah copd isn't nice at all sorry for going on thanks for getting back also I will ask my doctor to check my other problem out thanks again