Hi bogangles, and thanks for your post. You've posed some excellent topics. There have been several discussions here on our community website which focus on vaping and electronic cigarettes.
As for exercising, one of the key components of managing this disease encourages staying active. For this topic, too, we have a wealth of published material right here on our site.
I do hope you find this information is helpful for you in a practical way.
Wishing you well,
Leon (site moderator)