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Homeopathy in Bristol: Dr Spence’s infamous paper

November 23rd, 2005 · 11 Comments

On 21 November, 2005, Dr David Spence appeared on the BBC’s Today Programme. He was being interviewed about a report that, he said, provided evidence for the effectiveness of homeopathy. In fact it does nothing of the sort.

Dr Spence’s paper was published in the Journal of Alternative and Complementary Medicine. It is not really research at all. They simply asked 6544 patients who had had homeopathic treatment whether they felt better or not. Half the patients (50.7%) said they were ‘better’ ot ‘much better’. A further 20% said they were ‘slightly better’. The patients who had homeopathic treatment were not compared with anything whatsoever!

This is reported in a straighforward way. What is quite ludicrous is the stated conclusion of the paper:

“The study results show that homeopathic treatment is a valuable intervention”.

It is obvious that there is not the slightest reason to attribute the answers given by patients to the fact that they had been given homeopathic treatment. That would be the crudest form of post hoc ergo propter hoc error. It does not even show that the homeopathic treatment was producing a placebo effect.

Papers like this do not add to human knowledge, they detract from it. By reverting to pre-enlightment forms of argument, they mislead rather than enlighten. To make matters worse, this work was done at public expense, by the Directorate of Homeopathic Medicine, United Bristol Healthcare, National Health Service Trust, Bristol, United Kingdom.

What on earth is a respectable hospital and medical school, like those in Bristol, wasting money with this sort of mediaeval hindrance to medical knowledge? We are truly living in an age of delusions.

Download the paper and see for yourself [ Spence DS, Thompson EA, Barron SJ. J Altern Complement Med. 2005, 11, 793-8. pdf file, 74 kb].

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Tags: Anti-science · Bad journalism · BBC · CAM · Dangerous advice · evidence · homeopathy

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