Number 4 is the right response. Although the mechanism of action is unclear, the National Institutes of Health found it to be beneficial in lowering pain and other symptoms.
A professional inserts wired-thin needles into certain locations on the body during acupuncture, an age-old Chinese therapy. The needles numb the discomfort. Some people think the method works, while others claim it just has a placebo effect. The National Institutes of Health discovered that it works well to lessen pain, nausea, and vomiting, although it is still not clear how its works.
The National Institutes of Health found acupuncture to be beneficial in lowering pain and other symptoms, although it is unclear how it works, according to the passage on acupuncture, which supports the claim that acupuncture improves pain.
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