how long do nicotine/cigarrette by-products stay in your blood?

Question

how long before the traces of your last cigarette no longer show in blood tests?
thanks
d

Answer 1

I have never been tested 4 nicotine in any of my many blood test. I would think out of Ur blood 45 days. The damage U have
done may never repair it self. Hope this helps U. If Ur still young U need 2 quit before U get addicted & it's hard 2 quit. Think about it 4 Ur self & Ur health.