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 U.S. Food and Drug Administration (FDA) approved acupuncture needles for use by licensed practitioners in 1996. The FDA requires that sterile, nontoxic needles be used and that they be labeled for single use by qualified practitioners only. It is proposed that acupuncture produces its effects through regulating the nervous system, thus aiding the activity of pain-killing biochemicals such as endorphins and immune system cells at specific sites in the body. In addition, studies have shown that acupuncture may alter brain chemistry What evidence is provided to indicate that acupuncture is an acceptable medical procedure? A) Acupuncture is one of the oldest medical procedures in the worl

In the second sentence of this excerpt, we can find evidence which reveals to us that acupuncture is an acceptable medical procedure, because the use of acupuncture needles was approved by the FDA in 1996. This association requires the needles to be sterile and nontoxic, labeled for single use by qualified practitioners.

Therefore, we can conclude that acupuncture is an acceptable medical procedure because of the fact that The U.S. Food and Drug Administration accepted its existence and use.