Public health warning: our leaders’ seduction by science is dangerous
April 29th, 2004Public health warning: our leaders’ seduction by science is dangerous
This article originally apeared in The Times
We have reached an extraordinarily odd situation in the saga of genetic modification. The public continues to reject it, the supermarkets will not stock it, the industry itself has pulled out of GM cultivation, but the Government is still keen to go ahead. Why? Tony Blair said recently: “It is important for the whole debate (on GM) to be conducted on the basis of scientific evidence, not on the basis of prejudice.” But being mesmerised by science is at best short-sighted and at worst disingenuous.
Science quite often gets things wrong. Biologists initially refused to accept that power stations could kill fish or trees hundreds of miles away in Scandinavia; later the idea was universally accepted. Scientists did not originally agree that chlorofluorocarbons (CFCs) were destroying the ozone layer; but when the industry — ICI and DuPont — abruptly changed sides in 1987, ministers and scientists soon lined up with them. The Lawther working party roundly rejected that health-damaging levels of lead in the blood came mainly from vehicle exhausts, only to find that blood-lead levels fell 70 per cent after lead-free petrol was introduced. The Southwood committee of BSE scientists insisted in 1989 that scrapie in cattle could not cross the species barrier, only to find by 1996 that it did just that.
Much more subtle, and more serious, is the manipulation of science for wider political or commercial purposes. Scientific conclusions don’t usually emerge innocently as an individual’s inspired discovery, but out of a process dependent on financial pressures.




