If you stop smoking for a week and then have two cigarettes a day for 3 days how much nicotine will be in your bloodstream?

After stopping smoking for a week, nicotine levels in your bloodstream would be significantly reduced, as it typically takes about 1-3 days for the body to eliminate most of the nicotine. If you then smoke two cigarettes a day for three days, the amount of nicotine in your bloodstream will depend on factors such as your metabolism and the type of cigarettes. Generally, smoking two cigarettes a day would reintroduce nicotine into your system, but the exact levels would vary widely between individuals.