what to expect when you quit chewing tobacco How Tobacco: Tips to Kick the Habit for Good NICORETTE® Smoking Cessation Gum

That category includes marijuana and its compound tetrahydrocannabinol (THC) that gets users high, as well as cannabidiol (CBD), a product derived from hemp plants that contain very low quantities of THC

Chewing tobacco is most commonly connected with cancers in the oral cavity, which includes the lips, floor of the mouth, area between the cheek and gums, the roof of the mouth, and the tongue, says Guilherme Rabinowits, MD, a medical oncologist in Dana-Farbers Head and Neck Oncology Program

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Murtha told Healio these findings in marijuana smokers could mean the substance is harming the lungs more so than tobacco

Nephrol Dial Transplant 12(2):315-320, 1997