A client diagnosed with chronic migraine headaches is considering acupuncture. The client asks a clinic nurse, "How does this treatment work?” Which is the best response by the nurse?

“Your acupuncturist is the best resource for answering your specific questions.”

“Acupuncture works by encouraging the body to increase its production of serotonin and norepinephrine.”

“Western medicine believes that acupuncture stimulates the body’s release of pain-fighting chemicals called endorphins.”

“I’m not sure why they suggested acupuncture. There are a lot of risks, including HIV.”