I've never smoked. But I get up from my desk and go for a walk when I get stuck and sometimes just when things are going a bit slowly. Occasionally I continu

I've never smoked. But I get up from my desk and go for a walk when I get stuck and sometimes just when things are going a bit slowly. Occasionally I continue thinking about the problem but mostly I just enjoy the sunshine, the view of the river, etc. Works just the same