There is a wealth of evidence in support of a acupuncture:
Pain relief:
Biliary Colic
Facial pain
Dysmenorrhoea ( pain of menstruation)
TMJ dysfunction
Pregnancy
Nausea and vomiting
Morning sickness
Induction of labour
Low back pain
Musculoskeletal
Tennis elbow
Sciatica
Stroke
Headache
World Health Organization `Acupuncture: Review and Analysis of Reports on Controlled trials’