Pubdate: Sat, 28 Jul 2007 Source: Times, The (UK) Copyright: 2007 Times Newspapers Ltd Contact: http://www.the-times.co.uk/ Details: http://www.mapinc.org/media/454 Referenced: http://www.mapinc.org/drugnews/v07/n000/a163.html Author: C. J. Webb, Hertford CANNABIS CONUNDRUM Sir, So people who have used cannabis are 40 per cent more likely to display psychotic tendencies (report, July 27). Could it not be that people who display psychotic tendencies are 40 per cent more likely to use cannabis? C. J. Webb, Hertford - --- MAP posted-by: Richard Lake