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Research Results

Spotlight on New Research Results

Brain-Imaging Study Explores Analgesic Effect of Acupuncture

In the study, 12 people were exposed to heat pain and received either actual or sham acupuncture. Researchers used fMRI to examine the brain's pain responses before and after acupuncture. November 2008

Green Tea May Help Protect Against Rheumatoid Arthritis

NCCAM-funded investigators examined the effects of green tea polyphenols on RA by using an animal model in rats. November 2008

St. John's Wort Extracts May Help Treat Major Depression

Researchers reviewed the scientific literature on St. John's wort for major depression and analyzed findings from randomized, double-blind studies comparing St. John's wort extracts with placebo and standard antidepressants. October 2008

Researchers Investigate Effects of Ginkgo Biloba on Stroke-Related Brain Injury in Mice

Previous animal studies have indicated that an extract from leaves of the Ginkgo biloba tree may protect against stroke-related brain injury. However, the mechanism involved has not been fully understood. October 2008

Major Clinical Trial Results

Additional Sources

Female medical student in a classroom.