These are useful and informative articles on acupuncture and how it helps:
New Research visualizing the acupuncture points using a CT
Efficacy of Facial Acupuncture
WebMD article on acupuncture and facelift
Acupuncture and Breast Cancer side effects
Acupuncture, Vagus nerve, Anti-inflammatory and Relaxation Effects
Acupuncture and Stress Hormones
Acupuncture and Knee Osteoarthritis