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Acid reflux allows stomach acids and partially digested foods to move in the upward direction into the oesophagus and mouth, leading to the production of a sour or unpleasant odor

J Oral Pathol Med

Over 1 million people die from second-hand smoke exposure every year

I don't believe that a kid will try just a menthol cigarette

Statistical analysis Continuous and categorical variables of demographic characteristics, underlying diseases, anthropometric index, and blood test results are presented using mean or frequency (%) according to smoking status, respectively

These laws dictate material choices and design parameters