Acupuncture may be just as effective in preventing migraines as prescription drugs, says a recent study published in the online edition of The Lancet (2006, vol. 5, no. 4). Researchers compared the effects of three treatments: traditional acupuncture, sham acupuncture—placing needles in spots not used in real acupuncture—and standard prescription drug therapy. At the end of the 26-week study, all 400 participants, regardless of treatment, reported a similar decline in the number of days they experienced migraines.