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GM food is not safe
http://www.laleva.cc/food/gm_isnotsafe.html
The GM food
bubble is about to burst. As more and more scientific studies point to the
dangers of growing and consuming GM crops and food, the biotechnology industry
is increasingly coming under pressure. New evidence from British scientists
raises serious questions about the safety of GM food. The research, published by
the UK's Food Standards Agency (FSA), showed for the first time that genes
inserted in GM crops are finding their way into human gut bacteria. GM crops
have antibiotic-resistant marker genes inserted in them, and there are fears
that if material from these marker genes passes into humans, people's ability to
fight infections may be reduced. This research was commissioned by the UK
Government, as part of a project entitled "Evaluating the risks associated with
using GMOs in human foods." Click here to download
the full report
The FSA obviously is keen to downplay the
findings. In fact, it is matter of days before the loudspeakers of the industry
will launch a deafening chorus to discredit the research findings. This has been
the normal pattern with all the research findings, without exception, which have
questioned the safety and applicability of the risky and unproven
technology. This research should set alarm bells ringing. This research
should make you think and react. It is only when you begin to voice your
concerns that the government, the scientific community and the industry will
begin to listen. After all, what is at stake is your health and the health of
your children. We at the Forum for Biotechnology & Food Security strongly
feel that GM food should be immediately withdrawn from the market and further
research must be commissioned as a matter of urgency.
Contents: 1. GM genes
found in human gut 2. Can GM food
make your body immune to antibiotics?
------------------ GM
genes found in human gut John Vidal Wednesday
July 17, 2002 The Guardian
British
scientific researchers have demonstrated for the first time that genetically
modified DNA material from crops is finding its way into human gut bacteria,
raising potentially serious health questions. Although the genetically
modified material in most GM foods poses no health problems, many of the
controversial crops have antibiotic-resistant marker genes inserted into them at
an early stage in development. If genetic material from these marker genes
can also find its way into the human stomach, as experiments at Newcastle
university suggest is likely, then people's resistance to widely used
antibiotics could be compromised. The research, commissioned by the food
standards agency, is the world's first known trial of GM foods on human
volunteers. It was last night described as "insignificant" by the agency but as
"dynamite" by Friends of the Earth. The scientists took seven human
volunteers who had their lower intestine removed in the past and now use
colostomy bags. After being fed a meal of a burger containing GM soya and a
milkshake, the researchers compared their stools with 12 people with normal
stomachs. They found "to their surprise" that "a relatively large proportion of
genetically modified DNA survived the passage through the small bowel". None was
found in people who had complete stomachs.
But to see if GM DNA might be
transferred via bacteria to the intestine, they also took bacteria from stools
in the colostomy bags and cultivated them. In three of the seven samples they
found bacteria had taken up the herbicide-resistant gene from the GM food at a
very low level. The report added "that transgenes, although surviving passage
through the small intestine, appear to be completely degraded in the human
colon." Michael Antonio, a senior lecturer in molecular genetics at King's
College Medical School, London, last night said that the work was
significant. "To my knowledge they have demonstrated clearly that you can get
GM plant DNA in the gut bacteria. Everyone used to deny that this was
possible." He said there were "lots of inadequacies" in the research but that
did not take away the importance of the main findings. "It suggests that you can
get antibiotic marker genes spreading around the stomach which would compromise
antibiotic resistance. They have shown that this can happen even at very low
levels after just one meal. "Marker genes are inserted into GM plants to
allow identification of GM cells or tissue during development. The House of
Lords has called for them to be phased out as swiftly as possible. Last night
Friends of the Earth called for an immediate halt to the use of marker genes in
GM crops. "Industry, science and government advisers have always played down the
risk of this happening and here, at the very first attempt by scientists to look
for it, they find it," said Adrian Bebb, GM foods campaigner. The FSA said
the research "showed in real-life conditions with human volunteers, no GM
material survived the passage through the entire human digestive tract... the
research concluded that the likelihood of functioning DNA being taken up by
bacteria in the human or animal gut is extremely
low". http://www.guardian.co.uk/gmdebate/Story/0,2763,756666,00.html ----------------
Can GM
Food Make Your Body Immune to Antibiotics? By Sean Poulter,
Consumer Affairs Correspondent Daily Mail Wednesday, July 17
2002
EATING GM food
can change the genetic make-up of your digestive system and could put you at
risk of infections that are resistant to antibiotics, experts said today. A
British study has revealed that volunteers who ate one meal containing
genetically modified soya had traces of the modified DNA in bacteria in their
small intestines. Scientists now fear that GM foods, which are often modified
to be resistant to antibiotics, will leave Britons vulnerable to untreatable
diseases. The research contradicts repeated claims by the GM industry that
gene transfer from foods to humans is extremely unlikely. It also raises the
possibility that millions of people may already have GM bacteria from food they
have eaten. The study, carried out at the University of Newcastle, consisted
of feeding seven volunteers GM soya. Researchers found that three of them had
evidence of DNA gene transfer in the bacteria that occurs naturally in their
digestive systems. This is the first time this transfer has been identified in
humans.
THE STUDY RAISES SERIOUS CONCERNS Research leader Professor
Harry Gilbert played down the dangers, but confirmed that 'surprising' levels of
GM DNA transfer were found. He said: "There is some evidence of gene
transfer, but it is at an extremely low rate and therefore it probably does not
represent a significant risk to human health'. The research report suggested
that this transfer may have 'reflected previous exposure of the subjects to
genetically modified plants'. But yesterday experts claimed the possibility of
eating GM crops containing antibiotic resistance genes raised 'serious
concerns'. Geneticist Dr Michael Antoniou, of Guy's Hospital, London, said
the results indicated the need for an extensive GM foods testing programme. He
added: "The most significant finding is that there is GM soya DNA in the
bacteria at readily detectable levels in the small intestines. It was always
said by the industry that this could not happen or was extremely unlikely. There
is a whole slew of different antibiotic resistant genes that are being used in
GM crops in their production in the laboratory. They stay in the final crop.
These genes are often used as a marker to signal that the desired GM change,
such as resistance to a particular weed killer, has taken place." Dr Antoniou
added: 'Bacteria in the gut are going to take up genes that will make them
resistant to potentially therapeutic antibiotics. The possibility is that
someone who picked up the antibiotic resistance through food and then fell ill,
that a medical antibiotic might not be effective." However, the Food
Standards Agency tried to reassure consumers that GM foods are safe. A spokesman
said the findings had been assessed by several Government experts who had ruled
that humans were not at risk. In a statement on its website, the agency said the
study had concluded it is 'extremely unlikely' that GM genes can end up in the
gut of people who eat them. Friends of the Earth GM expert Adrian Bebb said
this response contradicted the opinions of many international scientists. He
added: "The FSA's attitude to the release of this information has been
extraordinary. It can only fuel concerns that the Government and its agencies
only want the public to hear positive news about GM. This is the first time a
change to bacteria in the gut has been identified in humans. It is enormously
significant. This is something the GM industry said could not happen. Yet in
the first experiment looking at just seven people, there it is. The suggestion
that the GM DNA could already have been in the bodies of the participants raises
important questions. Either it got into the gut many years ago and has been
passed down or people are eating GM soya in their diet on a daily basis.
Whatever the reason, it would seem millions of people could have GM DNA from
this soya in their bodies."
=========================================== The
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