Smoking

Tobacco smoking is the practice of burning tobacco and ingesting the smoke that is produced. The smoke may be inhaled, as is done with cigarettes, or simply released from the mouth, as is generally done with pipes and cigars. Wikipedia

@article{owidsmoking,
author = {Hannah Ritchie and Max Roser},
title = {Smoking},
journal = {Our World in Data},
year = {2013},
note = {https://ourworldindata.org/smoking}
}