Hi all Came across this today and thought I'd share.... very wordy and a bit of a tough read but gives a good history of the development of "recognition" of MCS and current thoughts on it. Carr ******************************** Please remove this footer before replying. OCC-HEALTH ARCHIVES: http://www.jiscmail.ac.uk/lists/occ-health.html CONFERENCES AND STUDY DAYS: http://www.jiscmail.ac.uk/cgi-bin/filearea.cgi?LMGT1=OCC-HEALTH