In view of the rising popularity of alternative medicine, in 1992 the US Congress set up the Office of Alternative Medicine under the National Institutes of Health, and in 1998 the Office was expanded into the National Center for Complementary and Alternative Medicine. The center categorizes over 40 types of treatment as alternative medicine.
眼見另類療法越來越興盛，一九九二年美國國家衛生研究院成立「另類療法局」，一九九八年擴大成「互補及另類醫療中心」。