References
https://www.hopkinsmedicine.org/health/wellness-and-prevention/5-truths-you-need-to-know-about-vaping
https://commons.m.wikimedia.org/wiki/File:US_smoking_percentages_by_gender,_education,_and_poverty_level.png
https://www.cancerresearchuk.org/about-cancer/causes-of-cancer/smoking-and-cancer/how-does-smoking-cause-cancer
https://commons.m.wikimedia.org/wiki/File:US_smoking_percentages_by_gender,_education,_and_poverty_level.png
https://www.cancerresearchuk.org/about-cancer/causes-of-cancer/smoking-and-cancer/how-does-smoking-cause-cancer