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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Reporter, Correspondent, and Broadcast News Analyst Education. Most employers prefer workers who have a bachelorâs degree in journalism or communications. However, some employers may hire applicants who have a degree in a related subject, such as English or political science, and relevant work experience.