How Acupuncture Works Acupuncture involves inserting very thin needles into specific points on the body. These points are believed to connect with energy pathways called meridians. Stimulating these points can help balance the body's energy flow, which may support healing and pain relief. The needles are usually painless or cause only a mild sensation. Sessions typically last between 20 and 40 minutes. Acupuncturists tailor treatments based on individual needs, focusing on sy