National Center for Complementary and Integrative Health (NCCIH)
NIH…Turning Discovery Into Health

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Health Topics A-Z

Research Results by Date

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

Spotlights for 2004

Acupuncture on a knee
Acupuncture relieves osteoarthritis knee pain, improves function, and can be an effective complementary therapy. (December 2004)
A 2002 national survey found that 36 percent of U.S. adults use some form of complementary and alternative medicine, often to relieve pain or treat colds. (May 2004)