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».
Job Training and Certifications Required For a Career in Journalism. Training for a career in Journalism usually begins with an internship. Many degree programs in Journalism offer internship opportunities with major newspapers, TV news stations and news periodicals.