tobacco age per state California's smoking age raised from 18 to 21 under bills signed by Tobacco Use - Health, United

Leukoplakia If you have white or gray patches in your mouth that wont go away, even when you try to scrape them off, it could be leukoplakia

NRT is useful for people who struggle with the physical aspects of nicotine withdrawal and offers a safer alternative while they work on overcoming their addiction

"What is so exciting about our study is that it shows that it's never too late to quit - some of the people in our study had smoked more than 15,000 packs of cigarettes over their life, but within a few years of quitting many of the cells lining their airways showed no evidence of damage from tobacco, he added

The National Cancer Institute states that cigar smoking "causes cancer of the oral cavity, larynx, esophagus, and lung." Around the time of his diagnosis, Limbaugh was also under fire for his past remarks on the addictiveness of nicotine.