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December 27, 1971

"Smoker's Ulcer"

JAMA. 1971;218(13):1945. doi:10.1001/jama.1971.03190260059024

To the Editor.—  The findings of Jacobson et al (218:180, 1971) do not warrant the conclusion that "correlation between smoking and the occurrence of duodenal ulcers, may be at least partly explained by the simple lack of buffer." Wilkinson and Johnston1 found a significant inhibition of pentagastrin-stimulated gastric acid secretion in humans after they had smoked a single cigarette. Therefore, if smoking causes significant reduction of acid secretion, obviously less buffer will be required to maintain the same pH.