They spent 75 hours learning how to tell the difference between tobacco (which can smell of green pepper, sweetcorn, violet, saffron, or rotted dry wood) and flavor additives (more likely to be fruity, minty, or redolent of vanilla or marzipan), before being set to work sniffing the tobacco in question
Class A cigarettes
But they have quickly become one of the most-used nicotine products among kids and young adults, according to the US Center for Disease Control and Prevention, second only to vaping
Third, higher background risk of lung cancer among never-smokers is observed in Asians than individuals in Western countries
The tests often include an MRI scan of the head and neck a CT scan of the chest, to look for cancer in lymph nodes a PET scan, to look for cancer in other parts of the body