Dip Tobacco and Oral Cancer – What the Tissues Remember
As a clinician, there are moments when patterns become impossible to ignore. A familiar one appears when a patient shifts in the chair and casually mentions they “only dip – not smoke.” The words are often said with reassurance, as if harm were a matter of combustion alone. But the tissues of the mouth tell a more complicated story. I have seen that story written quietly along the lower lip, the cheek fold, the side of the tongue – areas where smokeless tobacco rests for years, sometimes decades. The mouth, unlike the lungs, does not hide its injuries. It records them. What dip tobacco actually does to oral tissue Smokeless tobacco delivers nicotine without smoke, but it also delivers a concentrated mixture of carcinogenic compounds directly to the oral lining. These include tobacco-specific nitrosamines – among the most potent cancer-causing agents known in tobacco products. Unlike inhaled smoke, which disperses, dip tobacco is held in place. The same patch of tissue absorbs these che...