http://www.lineone.net/express/00/01/09/news/n0120war-d.html Bitter war of words over the safety of $1 billion sweetener By Lucy Johnston THE GIANT corporation vigorously defends its billion dollar chemical. The mere suggestion of "health risks" can prompt threatening letters from its lawyers. The company is Monsanto, the American multi-national. It is protecting the reputation of aspartame - a confected chemical compound which has one extraordinary property: it is very sweet. Aspartame is the artificial sweetener which has revolutionised the low- calorie food and drink industry in the Western world. Most people would know it under brand names such as NutraSweet and Canderel. Unlike sugar, it isn't fattening and doesn't have the unpleasant aftertaste of its once-dominant competitor, saccharine. The Monsanto lawyers take an unequivocal stance. Twice they have written letters headed "Not for Publication" to the Sunday Express, stressing that aspartame is the most thoroughly-tested ingredient in our food supply. Those tests, their clients state, prove it is safe. However, scientists, doctors, psychiatrists, campaigners and MPs believe there are safety questions. They believe such a debate should not be silenced by lawyers protecting lucrative commercial interests. In Britain we consume 10 billion cans of fizzy drink a year and a little under half of them are artificially sweetened. We take aspartame in jelly, chewing gum, yogurts, desserts, sweets, beer, spring water and vitamins. Monsanto points to 200 "objective" scientific studies which document the safety of its product. All other studies, it says, have been discredited. Many reports indicating aspartame is safe are financed by the food industry. However, a scientific review of all the evidence available in 1996 found 92 per cent of the independent - non-industry-funded - medical data relating to health risks of aspartame identified safety concerns. These include fears that aspartame may be linked to illnesses such as brain tumours, blindness and seizures. Professor Ralph Walton, chairman of the psychiatry department at Northwestern Ohio Universities College of Medicine, said: "I dispute Monsanto's assertion that there are no health risks. I believe aspartame increases risk of cancer. Virtually all the studies attesting to its safety have been funded by the industry." America's influential Food and Drug Administration and Britain's food safety watchdogs have always given the sweetener a clean bill of health -but that may not be the end of the story. The discovery of aspartame, in 1969, was accidental. While testing a new chemical as a possible anti-ulcer drug, chemist James Schlatter inadvertently smeared his hand with liquid from a flask. He licked his thumb clean and was surprised by how sweet it tasted. The compound was 200 times sweeter than sugar. Aspartame seemed wonderful. It contained virtually no calories and tasted more like sugar than other sweeteners: ideal for the growing diet market. Sales under the brand name NutraSweet became worth more than £625million a year. It had taken 16 years from Schlatter's discovery for his company, US drug giant Searle, to win FDA approval for the sweetener. Searle's safety research was one of the main sticking points. Doubts over its reliability prompted a special investigation by the FDA, which discovered some of the tests were "seriously flawed". A senior FDA toxicologist told a Congressional committee: "At least one test has established beyond any reasonable doubt that aspartame is capable of producing brain tumours in animals." IN 1981 an internal memo from three FDA scientists advised against approval of NutraSweet. That year President Reagan fired the FDA commissioner and gave the job to Dr Arthur Hull Hayes. Three months later aspartame was passed for limited use and within two years was also approved for beverages. The FDA's decision paved the way for 100 regulatory bodies in other countries to follow suit, including Britain. By 1985 Searle had been acquired by Monsanto - the company that invented Agent Orange - and aspartame became the market leader. As consumption of aspartame grew, with products such as Diet Coke and Wrigley's sugar-free gum, so did the concerns. The FDA has received reports of 92 different symptoms, claimed to have been triggered by aspartame. They include headaches, skin problems, gastro-intestinal problems, poor vision, depression, carbohydrate cravings, panic attacks, irregular heart rhythms, behavioural problems and seizures. The FDA stresses that none has yet been proved. Dr Hyman Roberts, of the Palm Beach Institute for Medical Research in Florida, had welcomed aspartame. "When it was introduced, I recommended it to diabetic patients because it contained no sugar, calories, cholesterol or sodium. It was a godsend," he said. However, he then saw more patients with problems such as chronic headaches, impaired vision and panic attacks. "We narrowed down the culprit to aspartame," he added. The most common reaction among his 1,200 aspartame-sensitive patients has been headaches. "I also had numerous diabetic patients whose condition has been exacerbated by aspartame, including eye and nerve problems," he said. "When they were taken off aspartame, they improved dramatically." During digestion aspartame breaks down into several constituents including methanol, which can act as a brain toxin, according to Dr Madelon Price, professor of neurobiology at Washington University Medical School. "Methanol can lead to visual problems, headaches and muscle cramps," she said. Monsanto and NutraSweet argue that all the constituents of aspartame are in much greater quantities in natural drinks such as milk and tomato juice, not considered a health risk. Four years ago an article in the American Association of Neuropathologists' journal claimed the sweetener was a "promising candidate" to explain a 10 per cent rise in brain tumour rates in America. The authors relied on an early trial in which some rats fed on aspartame developed brain tumours. NUTRASWEET said the report's authors had "manipulated" their data and pointed to other studies which showed its product was safe. A British Government committee on carcinogenicity agreed there were flaws with the American study and rejected the allegation. However, last month scientists at King's College in London began a three-year study to see whether aspartame could cause brain tumours in people with a certain genetic make-up. Dr Peter Nunn, who is leading the team, said: "Some studies have shown a link between aspartame and primary brain tumours, and some have shown no link. "This study does not set out to rubbish aspartame. It is a serious study into whether people with certain genes are more susceptible to these compounds than others." Liberal Democrat MP Norman Baker has urged the Government to investigate. "We do not know whether aspartame is dangerous," he said. "But independent researchers have expressed serious concerns. Aspartame should be withdrawn immediately pending further investigation." Additional reporting by Jonathan Calvert and Sarah Stacey © Express Newspapers, 1999 ******************** http://www.lineone.net/express/00/01/09/news/n0100splash-d.html Prove that diet drinks are safe INVESTIGATION By Lucy Johnston THE SUNDAY Express today demands a Government inquiry into the safety of aspartame, Britain's best-selling low calorie sweetener after mounting concern that it poses a health risk. The sweetener - sold as NutraSweet and Canderel and found in products such as diet drinks and desserts -has been linked with more than 90 adverse reactions including brain tumours and blindness. Aspartame has been used for 18 years but no study has properly analysed the affects of long-term exposure. It is now being questioned by a growing number of scientists, consumer groups and MPs. The evidence is still inconclusive and its manufacturers Monsanto, are confident existing research has declared it safe. A spokesperson said: "This product has been approved by health and regulatory authorities across the world. No credible, well-controlled independent research shows any link between health risks and aspartame." But most of the studies that declare it safe are funded by the food industry. An analysis of studies in America until 1996 found that 92 per cent of independent research papers expressed concerns. © Express Newspapers, 1999