One Theory on Why Acupuncture Works Is

One theory on why acupuncture works is:

A) due to "mind over matter," if the patient believes in the treatment it will work
B) that the pain impulses are blocked from reaching the spinal cord or brain at various "gates" to these areas
C) the pain from the prick of the needle diverts the patient's thoughts about the actual pain
D) that the impact of the needle stops that area from having the ability to recognize pain