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This dark, sticky substance clings to the microscopic rough spots on your tooth surfaces, building up layer by layer until your teeth shift from dull yellow to deep brown

Treatment for this condition generally begins with inhaled medications known as short-acting beta2-agonists

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Specifically, the National Institute on Alcohol Abuse and Alcoholism reports that between 80 and 95 percent of alcoholics smoke regularly, and nearly 70 percent are considered heavy smokers because they smoke more than one pack of cigarettes per day

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