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.
Learn how to become a journalist. Research the education requirements, training information, and experience required for starting a career in the journalism field. View 10 Popular Schools Â».
Journalism Career: Education and Job Training Requirements for a Career in Journalism. Do you have a flair for writing and an interest in world events? If so, you might consider a career in Journalism, which provides you the opportunity to work in a variety of media from newspapers to TV stations.