Hello Netters The Cochrane Collaboration has started to look at acupuncture I recently obtained some very good information from there. I used keywords 'acupuncture' and 'physiology' I know that other data exists for back pain and presume that there must be more. Simon Simon Mockett Lecturer School of Physiotherapy Hucknall Road Nottingham NG5 1PG Tel 0115 962 7681 Fax 0115 960 6993 Email [log in to unmask] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%