After smoking a cigarette, nicotine and its by-products stay in a person’s urine and saliva for 4 days and blood for up to 10 days. In this article, we look at whether this differs between smoking and vaping, what withdrawal feels like, and if people can affect how long it takes to clear their system of nicotine.
After smoking a cigarette, nicotine and its by-products stay in a person’s urine and saliva for 4 days and blood for up to 10 days. In this article, we look at whether this differs between smoking and vaping, what withdrawal feels like, and if people can affect how long it takes to clear their system of nicotine.