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There were many issues with such an explanation

Similarly, if you have contracted hairy leukoplakia due to infection with the Epstein-Barr virus, keeping your immune system healthy and following any treatments for underlying conditions can prevent or reduce outbreaks

The syndrome causes tryptophan in the diet to be converted into serotonin rather than niacin, which increases the risk of decreased niacin

But clean tobacco still burns, and burning tobacco still puts tar, carbon monoxide, and a long list of irritants into the air and into your lungs if you inhale

With the same, passive smoking also causes severe health problems, often leading to asthma, bronchitis and pneumonia