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In nicotine pouches, a higher concentration of nicotine was absorbed
Nicotine in vapour is primarily absorbed in the oral cavity and upper respiratory tract, while cigarette smoke introduces nicotine right into the lungs for faster absorption in the bloodstream
Smoking has been linked with at least 17 types of cancer, but until now scientists were not clear on the mechanisms behind many of them
A spark is a small fiery particle thrown from the fire or used to ignite a new flame