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These lesions are considered precancerous and require monitoring, as they can progress to oral cancer. Smokeless Tobacco Keratosis This condition presents as thickened, wrinkled patches in the area where tobacco is placed

Lang, a student at the International Young Mens Christian Association Training School now Springfield College in Massachusetts attempted to provide some scientific evidence, though his methods lacked the rigor of todays scientific research

Phillips and Smith are looking to capitalize on the growing trend

Try to drink at least two liters (0.25 gallons) per day of plain filtered water

Oral Oncology, 47(7):620-624