National Center for Complementary and Alternative Medicine (NCCAM)

NIH…Turning Discovery Into Health®

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Research Results by Date

Research spotlights of selected studies are shown below. For a full list of published NCCAM Research to-date, see PubMed.

Spotlights for 2002

Researchers found that an extract of the herb St. John’s wort (Hypericum perforatum) was no more effective for treating major depression of moderate severity than placebo (April 2002)