i feel worried.,i feel worried,safe,w/o heavy use,i feel okay, im good,unsafe of course,i feel danger,unhealthy & worried,i feel concerned,no bueno for lungs,not healthy 4 lungs,unhealthy and worrie,unhealthy,honestly don't know,i feel danger.,i would be concerned,bad about my lungs.,bad very bad,not safe or so,unhealthy lungs,