In accordance with the analyze’s authors, the cotinine urine examination presented substantial sensitivity and specificity for smoking in at the least the earlier 72 hours. In accordance with 2010 investigate, the following aspects might influence how much time nicotine and its metabolites are detectable within your system: 9 nonsmokers) [resource: https://tinybookmarks.com/story17165187/the-basic-principles-of-nicotine