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Snuff STAEs showed more toxicity to oral bacteria than snus

Archive: Marijuana Shown to Be Less Damaging to Lungs Than Tobacco UCSF-Led Study Compares Effects on Pulmonary Function A large-scale national study suggests low to moderate use of marijuana is less harmful to users lungs than exposure to tobacco, even though the two substances contain many of the same components

Teenage brains are going through a time of maturity and pruning, so when substances are put in there, they have more of an influence than they do on adult brains, Rahmandar says

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The main culprit is nicotine, according to the National Institute on Drug Abuse (NIDA)