When a person inhales cigarette smoke, the nicotine in the smoke is promptly absorbed in to the blood and starts influencing the brain inside 10 seconds. Nicotine can be calculated inside your blood and saliva, but because cotinine has an extended 50 %-daily life, testing for cotinine is typically chosen. https://images.google.es/url?q=https%3A%2F%2Ficyshop.es%2F%3Fcollections%2Fsnus