Through the ages
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2500 BCEChinese Emperor Huangdi discovers and promotes the use of acupuncture. 
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1790sSamuel Hahnemann, a physician in Germany, introduces the practice of homeopathy. 
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Late 1800sIn the United States, Daniel David Palmer, a self-taught healer, develops and begins using chiropractic while Andrew Taylor Still, MD, introduces osteopathy. 
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1970sThe countercultural revolution, with its embrace of mystical practices like transcendental meditation, leads to interest in ancient healing practices such as acupuncture and Traditional Chinese Medicine. 
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1982Dr. Carvel Tiekert and a small group of interested veterinarians create the American Holistic Veterinary Medical Association after a conversation during the Western Veterinary Conference. 
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1992U.S. Sen. Thomas Harkin, convinced his allergies have been cured by bee pollen, champions the creation of the U.S. Office of Alternative Medicine (OAM). 
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1999The National Council of Complementary and Alternative Medicine (NCCAM, formerly the OAM) becomes an independent component of the National Institutes of Health. 
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2001The American Veterinary Medical Association releases its Guidelines for Complementary and Alternative Veterinary Medicine. 
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2004A large, randomized study in human patients concludes that acupuncture is effective in relieving pain and improving function. 
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2014Congress renames NCCAM the National Center for Complementary and Integrative Health, reflecting a continued move away from the word "alternative." 
 
  