Acupuncture is one of the oldest, most commonly used medical procedures in the world. originating in china more than 2,000 years ago, acupuncture began to become better known in the united states in 1971, when new york times reporter james reston wrote about how doctors in china used needles to ease his pain after surgery the term acupuncture describes a family of procedures involving stimulation of anatomical points on the body by a variety of techniques. american practices of acupuncture incorporate medical traditions from china, japan, korea, and other eastern countries. the acupuncture technique that has been most studied scientifically involves penetrating the skin with thin, solid, metallic needles that are manipulated by the hands or by electrical stimulation. what is the author's purpose in writing this article? a) to inform b) to reflect c) to persuade d) to entertain