the effects of tobacco on the human body Body: Visualize nasty tobacco — STREET ANATOMY Smoking and The Body Chart
Description
The best way to reduce your risk of harm is to not use cannabis

This does get points for longevity though

Updated December 20, 2016

In 2022, dividends of 1.40 were paid by Imperial Brands PLC
The Relationship Between Marijuana and Conventional Cigarette Smoking Behavior from Early Adolescence to Adulthood