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In contrast to using the more alkaline nature (higher pH) of perique smoke to neutralize the relative acidity (lower pH) of flue-cured tobacco smoke, directly adding acid or alkali chemically removes (or alters) some offending compounds

Although, some national estimates of smoking prevalence have been reported [11, 12], the exact number of smokers remains debated, which possibly hinders health policy

Smoking conventional cigarettes is strongly associated with male fertility issues, including lower sperm counts, reduced motility, and an increased risk of miscarriage in partners

Reynolds (RJR) had captured 50 percent of the Iranian market by 1994, amounting to 16.4 billion units sold annually