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The BMA Promote Safer Cycling
On Sun, 19 Apr 2009 13:27:06 +0100, "Simon Mason"
wrote: The BMA also says it is bad for our health to consume more than two pints of beer a day, which is tosh as well. One of the more interesting points about this particular piece of work is that it is deliberately based only on case-control studies, with all conflicting evidence excluded. If they had adopted this policy in respect of HRT and coronary heart disease then they would be advising that HRT prevents heart disease. Luckily they investigated the conflicting evidence and found that all the case-control studies had similar confounding factors, leading to a conclusion which was wrong in both magnitude and sign: the risk is actually slightly /increased/. Guy -- http://www.chapmancentral.co.uk/urc "To every complex problem there is a solution which is simple, neat and wrong" - HL Mencken Newsgroup may contain nuts. |
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