So what happens to the message?

Highlights

The message, once received by your hypothalamus, gets internalized and translated into a response that is sent back out through your body's autonomic nervous system - the very system that is responsible for fight or flight and rest & digest. This physiological feedback is how acupuncture is able to stimulate your body's natural ability to heal. 

A lot of information on "How does Acupuncture Work?" That's only the beginning!, but to sum it all up I will say to you what I often say to my patients in my Loveland acupuncture practice; Our bodies are not faulty by design, so unless absolutely necessary (and I mean ABSOLUTELY), it doesn't need to be "fixed" it simply needs to be reminded of what it should be doing...