can tobacco cause liver damage Cancer and Use: Tobacco Use Causes Many Cancers Tobacco, Cigarettes, and the Liver:
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Cigar smokers still risk exposure of their lips, tongue and throat to cigar smoke and cancer-causing chemicals

doi:10.1016/j.toxac.2022.06.253
Half-Life: The time it takes for the body to reduce the concentration of a substance by half

FDA created these videos and interactive tools to lay the foundation for an important public health goal: we aim to publish a list of the levels of harmful and potentially harmful chemicals in tobacco, in a way that is easy for the public to understand

The FDA (the US Food and Drug Administration) classes diacetyl as generally recognised as safe (1), which might not seem to be a glowing recommendation but is what most ingredients which are safe to eat are classified as

This sedentary behavior can temporarily slow metabolic rate