how tobacco smoke causes disease Why Smoking ANYTHING Can Cause Lung Cancer Cigarette Smoke-Induced Respiratory Response: Insights
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There's a checkpoint here with gunpowder in the office

Savor Fresh Smoky Elegance: Byredo Tobacco Mandarin Sample Ignite refined indulgence with Byredo Tobacco Mandarin , a woody spicy Eau de Parfum that marries zesty mandarin orange and smoky tobacco leaves for a modern twist on luxury
Retrieved 2007-10-02
These findings are not causal and it is unclear if cannabis is self-medication for mental health conditions

However, based on current knowledge of the ingredients of vapour, long-term use is likely to be much less harmful than smoking, which prematurely kills up to two in three long-term users