Moving the goalposts to costs and smoke doesn't change sugar is required for life, nicotine is not. It doesn't change that unrequired nicotine does have signifi

Moving the goalposts to costs and smoke doesn't change sugar is required for life, nicotine is not. It doesn't change that unrequired nicotine does have significant bad health effects. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4363846/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4363846/