Stephen. I also read the report on the recent study, but can for my life not find the reference. However a classic study from 1989 by Tysvaer and Storli (fellow Norwegians of myself) in The British Medical Journal is worth a revisit: Tysvaer A, Storli O: Association football injuries to the brain: a preliminary report. Br J Sports Med 1981;15(3):163-166 You can also try this summary from Physician and Sportsmedicine: http://www.physsportsmed.com/issues/1998/11nov/asken.htm Torje Eike, MCSP, PT Chartered Physiotherapist London, England %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%