What concrete evidence does the author provide to prove that acupuncture works?%0D%0AResponses%0D%0A%0D%0AA%09Studies documenting the effects of acupunctureStudies documenting the effects of acupuncture%0D%0A%0D%0AB%09The history of acupuncture in the United StatesThe history of acupuncture in the United States%0D%0A%0D%0AC%09Descriptions of how people respond to acupunctureDescriptions of how people respond to acupuncture%0D%0A%0D%0AD%09An explanation of traditional Chinese medicine
