Pain relief from acupuncture is real, Penn study finds
Scientists have long puzzled over
whether acupuncture relieves pain on its own or if it's a case of the placebo
effect.
In a new experiment from the
University of Pennsylvania, acupuncture reduced pain by about 40 percent for a
group of breast cancer patients, even for the women who did not believe it
would work.
"To our surprise, we found
actually in the real electro-acupuncture group, the expectation had no
influence on outcome at all," said study author Jun Mao, director of the Integrative Oncology Initiative at
the Abramson Comprehensive Cancer Center. "Patients performed equally well
whether people believed in acupuncture or not."
Patient expectations weren't always
irrelevant, however. When women received simulated acupuncture and believed the
treatment would work, it did -- even better than the actual needle therapy.
But, if they were pessimistic, they reported little to no pain relief.
The curious finding, published in the Journal of the
National Cancer Institute Monographs, could lead to a new way of
prescribing the alternative medicine.
"Potentially, we can
personalize the delivery of acupuncture based on baseline expectation to
optimize pain reduction outcomes in patients," said Mao.
Larger trials are still needed, he
said, but it's good news that acupuncture appears to work even for those who
doubt it. The traditional Chinese medicine, he added, can be a useful tool for
doctors to consider especially because it has fewer side effects than many
prescription drugs.
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