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».
Unlike medicine or law where there are clear educational requirements, there are many routes that can lead into journalism. Depending on who you speak to, you might be told to get a foot in the door by doing work experience, to study a journalism degree, or take a postgraduate or short course.