Genetic modification of food is simply insane. It's the epitome of the old saying: Just because you can do something doesn't mean you should do it.

GM Potatoes linked to Cancer: "Campaigners against genetically modified crops in Britain last are calling for trials of GM potatoes this spring to be halted after releasing more evidence of links with cancers in laboratory rats.

UK Greenpeace activists said the findings, obtained from Russian trials after an eight-year court battle with the biotech industry, vindicated research by Dr Arpad Pusztai, whose work was criticised by the Royal Society and the Netherlands State Institute for Quality Control.

The disclosure last night of the Russian study on the GM Watch website led to calls for David Miliband, the Secretary of State for Environment, Food and Rural Affairs, to withdraw permission for new trials on GM potatoes to go ahead at secret sites in the UK this spring. Alan Simpson, a Labour MP and green campaigner, said: 'These trials should be stopped. The research backs up the work of Arpad Pusztai and it shows that he was the victim of a smear campaign by the biotech industry. There has been a cover-up over these findings and the Government should not be a party to that.'

Mr Simpson said the findings, which showed that lab rats developed tumours, were released by anti-GM campaigners in Wales. Dr Pusztai and a colleague used potatoes that had been genetically modified to produce a protein, lectin. They found cell damage in the rats' stomachs, and i"