Knowing what you know about your lungs, you can quit them, however you need to do it, do it.
I watched 2 Uncles die from Lung Cancer, it is not a good way to go.
My oldest Uncle laid his down the day he was diagnosed, he died 4 months later.
Not trying to be morbid, but I have seen it first hand.
Somewhere there was a study done about the minute you quit you start adding years to your life. Think about the positives, you can do this.
I watched 2 Uncles die from Lung Cancer, it is not a good way to go.
My oldest Uncle laid his down the day he was diagnosed, he died 4 months later.
Not trying to be morbid, but I have seen it first hand.
Somewhere there was a study done about the minute you quit you start adding years to your life. Think about the positives, you can do this.