does smoking weed hurt your lungs like cigarettes Nicotine, e-cigarettes, cannabis: All pose different risks and all can be hard to stop Thirdhand Smoke Resource Center -

More on this story Published24 February 2015

The 0.5mg figure comes from the emissions, which is the vapour each stick produces, and tends to be substantially lower than the nicotine content of the raw tobacco before its heated

It incorporates other harmful ingredients such as addictive substances, flame retardants, artificial flavors, and artificial preservatives, among other substances that have all been proven to be carcinogenic and poisonous

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J Antimicrob Chemother 64 , 441446, (2009)

Historians Robert Proctor and Allan Brandt, both of whom have written extensively on the subject of smoking, have also served as expert witnesses in tobacco litigation cases, but not on behalf of the tobacco companies