how many cigarettes is it okay to smoke a day are safe ASHES, Vol. 14(2) – Smoking: just Smoking and Chronic Lung Disease:

"it's all coming out now

it's about safety and performance

A 2015 paper published in the scholarly journal Substance Use and Misuse found that a recent review of 42 empirical papers on addiction treatment programs for multiple substances from 1989 through 2005 found that the prevalence of tobacco use among persons in recovery ranged between 65% and 87.2%. Compare that to the fact that in 2012, only 18.1% of adults in the general population reported smoking cigarettes, and you understand why individuals in treatment for, or recovery from, alcohol and substance use disorders are one group that continues to use tobacco (cigarette smoking) at rates that concern health practitioners. Those numbers vary according to other studies one reported on in 2015 by Forbes concluded that the overall rate of smoking among addicts in treatment for drug and alcohol use was 84%, compared with a rate of 31% for individuals of the general public but the findings are the same: Addicts and alcoholics, in treatment and in recovery, smoke

PMC 7064045