Intended for healthcare professionals

Letters Helicobacter pylori and ulcers

Against reductionism

BMJ 2009; 339 doi: (Published 22 September 2009) Cite this as: BMJ 2009;339:b3855
  1. Susan Levenstein, physician1
  1. 1Aventino Medical Group, Rome, Italy 00153
  1. susanlevenstein{at}

    Both positions in the head to head debate “Does Helicobacter pylori really cause duodenal ulcers?” reflect a pathophysiological reductionism that should have long since become obsolete.1 2 Just as high cholesterol is not “the cause” of myocardial infarction but one of many …

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