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August 2, 2000

Are Magnets Effective for Pain Control?

Author Affiliations

Stephen J.LurieMD, PhD, Contributing EditorIndividualAuthor

JAMA. 2000;284(5):564-566. doi:10.1001/jama.284.5.561

To the Editor: Dr Collacott and colleagues1 provide little information on the magnetic device used in their study, although they report that it had weak flux density, averaging 300 G. However, a previous study demonstrated successful treatment of low back and knee pain with a 2000 G magnetic design.2 In this, as well as other clinical studies on magnetic therapy,3,4 specifications regarding the magnets used in each study were minimal or completely absent.

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