The March of Unreason: Science, Democracy, and the New Fundamentalism [Paperback]

 

 

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Dick Taverne has worked in industry, law and government and is now a Liberal-Democrat member of the House of Lords. In this useful book, he looks at the connections between science and democracy and at fundamentalism's threats to them both.

His theme is, "If you abandon any concern for evidence or pretence at reason, you open the door wide to more dangerous charlatans, the peddlers of racial hatred, or those other devotees of the irrational, the religious fundamentalists who seek a return to the days when religious dogmatism ruled and freedom of thought was suppressed."

In his chapter on medicine, he praises osteopathy for being properly regulated in Britain, unlike most other kinds of alternative medicine. He notes that some alternative practices, like aromatherapy and Indian head massage, are pleasant and harmless.

But Taverne condemns Ayurvedic medicine and homoeopathy for diverting patients away from good medical practice. He points out that anyone with cataracts who chose the Ayurvedic remedy - `brush your teeth and scrape your tongue, spit into a cup of water and wash your eyes with this mixture' - would not get better. Similarly, homoeopathy, based on the `law of infinitesimals' - the more a medicine is diluted, the more effective it will be, i.e. less is more - would not help anyone with a serious illness.

He notes that herbal products are unregulated (unlike pharmaceutical drugs), so users risk adverse effects. Tests on the most popular herbal products, arnica and echinacea, proved that they don't work and are no better than placebos.

Taverne then looks at the scare about the MMR vaccine, started by Dr Andrew Wakefield's speculations that autism might be due to bowel disease, which might in turn be due to the vaccine. Wakefield produced no evidence, instead calling a press conference to denounce the vaccine. The media danced to Wakefield's dramatic tune and ignored all the proof that the vaccine did not cause autism.

In a section on genetic modification, Taverne makes a good case for the safety and utility of GM foods. Even America's finest lawyers cannot find evidence of damage to health, and absence of evidence of harm is evidence of absence of harm.

On global warming, he again warns against media hype. He points out that all the Intergovernmental Panel on Climate Change's global warming predictions depend on its unbelievably high forecasts of economic growth in the Third World.

In Taverne's last chapter he writes, "politicians do in fact compromise, listen to the other side, and are willing to modify their own position in the light of public discussion and public reaction." We know that members of the House of Lords can be a little divorced from reality, but did Lord Taverne not notice Thatcher or Blair?

As he notes, "Authoritarian institutions ... press on with mistakes long after they have begun to produce unintended and harmful consequences." Mistakes like privatising our National Health Service, devolution, EU membership, occupying Iraq, deindustrialisation, destroying the apprenticeship system? Perhaps he should check his own assumptions against the evidence.

Dick, Lord Taverne, Liberal-Democrat peer but former barrister and Labour minister, makes a case that the scientific method be accorded qualitatively greater respect than various "pseudo-sciences". He documents how people in the UK in particular, and in the West in general, have come to regard science with suspicion and distrust whereas until just fifty years ago it was seen positively (but perhaps rather too uncritically) as a source of further developments that would make the world a better place.

He deals initially with three specific examples: alternative medicines (mostly snake oil, at best placebos), organic farming (not as good for the world as you might think) and GM crops (a development that could already have made a massive positive impact in the third world in particular, with no negative side effects that any respectable scientists have been able to demonstrate).

He then moves on to look at some themes of anti-science. Eco-fundamentalism is a catch-all for those who oppose scientific developments but do not use the scientific method. He characterises them as having closed minds: Lord Melchett, Director of Greenpeace, he quotes as an example, having said that he would oppose GM crops "permanently, definitely and completely" irrespective of any new evidence about them. He points out the similarity of this approach and fundamental religious beliefs. He exposes the "Precautionary Principle" espoused by many eco-fundamentalists (and several others) as a precept that might be used to justify our stopping scientific progress altogether.

Like Taverne, I am not a scientist, but also like him I understand and admire the scientific principle. A scientist posits a theory (often based on experimental work); his peers seek to disprove that theory. No scientific theory can be proven, "proof" in this context really amounting only to not having been dis-proven for quite a time. "Peer review" is of course a feature of non-scientific academia as well, but in science theories can be very conclusively disproven in a way that is often not possible in social sciences and the humanities. It is in theory, at least, more rigorous. Taverne points out that the "facts" used by eco-fundamentalists have often been used without any peer review, and continue to be bandied about even after then have been conclusively disproved by the scientific community. He cites the case of Dr Arpad Pusztai whose allegation that GM potatoes were demonstrably unhealthy led to talk of "Frankenfoods" and was significant in bringing about an effective end to GM development in Europe. Having been used indiscriminately by journalists in pursuit of a good story, the same journalists were (un)surprisingly silent when the good doctor was rejected by the scientific community. Would that journalists would make the effort to understand the difference between peer reviewed and other papers, and would reflect that in their writing. The problem, of course, is this would in many cases make for less arresting headlines!

Taverne's style is one of gentle polemic - gentler certainly than Dawkins, similar perhaps to Lomborg, both of whom he clearly admires. My own approach was, I admit, already very much in tune with Taverne's in the first place, but he has succeeded in shaking me out of complacency in having accepted some of these untruths. Whereas, for example, I would have taken the view that while GM foods might have certain advantages, it was indeed fair to ban them according to a precautionary principle. I realise now that the consequence of that ban is that many people in the third world, who might already be benefiting from GM crops, are still living more impoverished, less healthy lives than they would if certain GM crops had been developed, and we in Europe had not closed our minds to buying them.

If I have a criticism, it is this. He overdoes the extent to which scientists are always genuinely neutral in the pursuit of greater understanding. All too often, sadly, scientists become victims of their own preconceptions and prejudices, and their science a crusade to prove their old argument right in the face of mounting evidence that they are wrong. Equally, all too human social networks and obligations undermine peer review and honest criticism. Group think sets in: see Booker & North (2007) "Scared to Death". While Taverne reminds us that the scientific method is a powerful tool in the quest for knowledge, he does rather give the impression that scientists are, per se, above ordinary human failings, and sadly that is not also the case.

This is one of a number of books recently to explore what many consider to be a very worrying growth in unreason. Taverne is obviously a sincere man, even to those, like me, who have not always shared his political convictions. His views certainly deserve attention. In my mind `unreason' is associated with the words prejudice, superstition and ignorance. I look forward to a time when the various consequences of unreason are viewed in a similar light to the unreason of racism. They are intellectually and morally the same.

I have experienced unreason myself when, recently, in a British university, a postgraduate student expressed the view that she would rather see a good proportion of the world's population die unnecessarily (through want of vaccines) than countenance any use of GM technology; this, despite having no understanding of the processes, applications or risks involved. She was, sadly, not an exception. Taverne has addressed the issues of GM well, I think, but as an example of a general malaise. I particularly like his treatment of organisations like Greenpeace, Friends of the Earth and the Soil Association. They seem to have abandoned objectivity and are likely to do considerable harm as a result. I think his remarks on organic food, which has been the subject of some very unflattering research, are also sound and need saying.

This is an excellent book, easily read, sufficient to make people think and perhaps encourage them to look more deeply into some of the issues raised. I think they will find much evidence to support most of what Taverne says and certainly I am convinced by his general thesis. Unreason has pushed mankind into dark ages before and will do so again unless we can counteract it. However, I have some sympathy with the reservations of an earlier reviewer (Is this book leading the march? 16 Jan 2007).

Hormesis is a fairly well known phenomenon, but it is probably the exception rather than the rule, i.e. it is characteristic of certain chemicals but not others. My reading is that Taverne qualifies his remarks so that they are correct although they may overstate the case. I am not sure of the beneficial effects of Arsenic (p73) but I do note that, for example, copper, molybdenum, and nickel are essential in small doses but toxic in larger doses. I, also, would like to see more about the studies of the effects of low doses of radioactivity. One of his references is available on the web [...] and makes interesting reading but I need to dig deeper to be convinced.

Contrary to the reviewer's comments on GM, there is a natural way to transfer genes from the genome of one species to another. The transfer of genes from bacteria to figs has almost certainly happened, as has the transfer from bacteria to humans. In fact one of the main objections to GM has been just this issue. Those transfers to us that have survived are generally very beneficial, though rare. It is very probably that many more harmful transfers have taken place, but they have not survived or become non-functional by mutation. The essential difference between GM and natural gene transfer is that we have control over the former but not over the latter.

Overall, I enjoyed the book and believe its central message needs saying loudly and often. Perhaps some arguments are overstated in an effort to avoid the necessity of a more technical and detailed treatment. That is a relatively minor quibble and a price worth paying. It doesn't, for me, detract significantly from the strength of evidence.

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5.0 out of 5 stars Not so much a defence of democracy, but a defence of evidence
This is a political book about the contempt for scientific evidence held in various quarters, not just those good old villains such as creationists but groups like Greenpeace,... Read more

Published 4 months ago by Franco

4.0 out of 5 stars Informative
"March of Unreason" is a timely and much-needed book, which hopefully will be read by journalists, politicians and policy-makers of all parties. Read more

Published 22 months ago by Richard Murray

1.0 out of 5 stars Worried!
Frankly I find it worrying that a 'man of reason' can be so dismissive about subjects that he knows so little about. Read more

Published 23 months ago by G. Wurr

5.0 out of 5 stars Revealing ...
A great book, with a good scope of issues. The GM crop issue, religious/fundamentalist intrusion into science etc. Read more

Published on 3 Jan 2010 by J. McGhee

4.0 out of 5 stars Importance of scientific evidence
The neglect and distortion of evidence is dangerous to the health of society.
Dick Taverne is clearly a politician, a philosopher and an historian. Read more

Published on 14 Mar 2009 by M. Hillmann

5.0 out of 5 stars Please read the negative reviews - they say it all
Finally someone has taken the time to offer a widely available and robust rebuttal to the nonsense on offer from the organic movement, homeopaths, anti-GM NGOs etc. Read more

Published on 3 Jan 2009 by Overseas Reviewer

1.0 out of 5 stars Not scientific or truthful
Mr Taverne, who many years ago might be experienced as a freedom -loving democratic socialist ,has tried to find the paradigm behind the ecological and environmental movements of... Read more

Published on 13 Nov 2008 by S. Moore-Bridger

1.0 out of 5 stars Read with Caution
If you intend to buy this book then do so with extreme caution. Margaret Cook in her review in The Guardian observed that much of Taverne's `discussion is rather rant than reason'... Read more

Published on 31 Oct 2008 by K. Gibson

1.0 out of 5 stars Polemical Nonsense
"The March of Unreason" is an ill-conceived, narrow-minded, badly-argued polemic disguised by just enough rationality to convince those with no understanding of the issues, that... Read more

Published on 7 July 2008 by Mr. Peter C. N. Tangney

5.0 out of 5 stars The Eco-fundamentalists principal goal seems to be the wanton and total annihilation of rational debate.
An absolutely fantastic book.
In an ideal world, one not controlled by doomsayers, fear-mongers and sensationalist headline grabbers - this excellent book would be on the... Read more

Published on 5 Jan 2008 by Mr Smith

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