The Cannabis-Codeine Pain Connection

Cannabis is no more effective than codeine for treating pain? ("Cannabinoids Compared With Codeine for Pain," July 9.) The last time I checked, codeine was commonly prescribed for pain because it is widely recognized to be effective. By comparison, that would make marijuana fairly effective as well.

CLIFFORD A. SCHAFFER

Director, DRCNet Online Library of Drug Policy

Canyon Country

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