Additionally, according to the American Dental Association 1 , some research suggests that smoke from cannabis can have an immunosuppressive effect on the mouth
Even if you smoke only now and then, it harms virtually every system in the body, says Bill Blatt, director of national tobacco programs for the American Lung Association in Washington, D.C
For tobacco, we know that its inherently dangerous and that there is no safe amount of tobacco to use, says New York City Health Department drug policy analyst Rebecca Giglio
Kasai, A
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