Methodology Flaws and Implications of a Complementary Medicine Study

To the Editor In a recent article, Johnson and colleagues¹ concluded that patients with curable cancers who use complementary medicine (CM) modalities are more likely than those not using CM modalities to refuse or delay conventional cancer treatment and subsequently bear a higher mortality burden. The purpose of this letter is 2-fold: to address a glaring methodological flaw in this study, and to address the ramifications this study may have for the practice of medicine.