Most of the nicotine will be excreted from the system within twenty minutes after smoking. Nonetheless, it can be detected in the saliva for approximately 24 hours after the last smoke. Its metabolite, cotinine, can be detected for as long as 4 to 7 days depending on the amount of nicotine consumed.
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Journalists Ethics Code. Journalists' main goal is to ensure the right of citizens to truthful and important information, which allows them to form adequate impression about social processes, their essence and importance, about the situation in the modern world.