Six Minutes
1-3 days average
Generally until you wash them.
It can be detected. The metabolite from nicotine will stay in your system up to 4 or 5 days.
Short answer: yes. Long answer, inhaling cigarette smoke is bad, inhaling diluted cigarette smoke is less bad -- but given ten years, not good.
The smell of cigarette smoke can linger in the air for a long time. The smell can get into the carpet and the walls, and become a permanent scent in a home.
During the Vietnam War, that was called a "smoke break." Long enough time to smoke a cigarette. Added to that command was, "...if you don't have one, borrow one from your buddy!"
Contrary to what Tobacco Control would say, there is absolutely no evidence that smoking the occasional cigarette is harmful - as long as it is the only the occasional one!
If it is white "smoke" then it is probably not smoke at all but only water vapour that is being cooled as it enters the cold air outside the house. It is nothing to worry about as long the heating system is working normally and also as long as you are having the heating system serviced every year by a licensed HVAC (Heating, Ventilation and Air Conditioning) engineer.Black or blue smoke coming out is another matter altogether and could indicate a dangerous fault in the system. If you see that kind of smoke coming out it is time to call a licensed HVAC engineer to inspect the system and advise you what should be done.
It depends on how long before surgery you smoke an e-cig. No matter when you smoke your last pre-surgery electronic cigarette, it is overwhelmingly safer than smoking a tobacco cigarette! You need to ask your anesthesiologist this question. My guess, as someone who has had a lot of surgeries in the last few years and a smoker of e-cigs, is: the day before. Most often it seems that you check into the hospital long before your surgery and then you're kept so busy that you aren't able to smoke anyway.
It can stay your system for up to 30 days after your last smoke.
I do not smoke. Both my parents died long, lingering deaths from smoking-related diseases.