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Red meat primes body for germ: study

 
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Big_Bird



Joined: 31 Jan 2003
Location: Sometimes here sometimes there...

PostPosted: Wed Oct 29, 2008 4:09 pm    Post subject: Red meat primes body for germ: study Reply with quote

Red meat primes body for germ: study

Quote:
A steady diet of red meat makes the body more susceptible to a virulent form of intestinal bug that can cause bloody diarrhoea and even death, according to a study led by Australian researchers.

Scientists in Australia and the United States said persistently eating red meat appears to prime the body for exposure to this potent form of Escherichia coli (E coli), according to the study, published on Wednesday.

The meat naturally contains sugar molecules called Neu5Gc that accumulate in cells lining the intestines and blood vessels, according to researchers at Monash University in Melbourne , working with US colleagues.

These molecules also act as a sort of magnet for the toxins exuded by the E coli strain, thus making it easier for the poisons to enter the bloodstream, they said.

"Prior meat eating would set one up for the toxin to bind when it shows up," explained Ajit Varki, a researcher at the University of California at San Diego, one of the study's co-authors.

The Neu5Gc molecule is virtually absent in other foods such as fish, poultry and vegetables and fruits, Varki told AFP in an email exchange.

The investigation, published in the London-based journal Nature, is led by Travis Beddoe of Monash University.

In experiments, the team first tested the affinity of the E coli bacteria for Neu5Gc using cultured human cells in a lab dish.

"The human samples showed the presence of the Neu5Gc toxin binding sites in the gut and the kidney, the two target organs for the disease," said Varki.

The researchers then confirmed the positive results using genetically modified mice in which the gene which naturally produced Neu5Gc was suppressed.

E coli is found in the lower intestine of animals and humans. Many of its strains are harmless, but others can cause serious, sometimes fatal health problems.

There are about 75,000 cases of E coli-related to food poisoning every year in the United States, including an average of 60 fatalities, according to the Centres for Disease Control and Prevention (CDC) in Atlanta, Georgia.

Most outbreaks have been traced to undercooked ground beef tainted with faecal matter post-slaughter.

E coli can also be transmitted through unwashed vegetables grown in farmland irrigated by sewage-contaminated water.



All you meateaters beware... Hehehe
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Gatsby



Joined: 09 Feb 2007

PostPosted: Sat Nov 01, 2008 6:22 am    Post subject: Reply with quote

All food is bad for you:

http://www.youtube.com/watch?v=RQXNRZ6z6jo

http://www.youtube.com/watch?v=dC0DYqQiaWw
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bacasper



Joined: 26 Mar 2007

PostPosted: Sat Nov 01, 2008 7:24 am    Post subject: Reply with quote

Gatsby wrote:
All food is bad for you:

Cancer has been linked to air, food, and water.
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Leslie Cheswyck



Joined: 31 May 2003
Location: University of Western Chile

PostPosted: Sat Nov 01, 2008 12:28 pm    Post subject: Reply with quote

Just don't eat vegetables and you'll be fine.

Quote:
E coli can also be transmitted through unwashed vegetables grown in farmland irrigated by sewage-contaminated water.



Laughing
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NoExplode



Joined: 15 Oct 2008

PostPosted: Sat Nov 01, 2008 1:59 pm    Post subject: Reply with quote

I'll take the risks to eat pleasurably every day of my life. If someone told me I was guaranteed to live 10 years less, I'd still eat red meat, as it is that delicious.
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mindmetoo



Joined: 02 Feb 2004

PostPosted: Sat Nov 01, 2008 5:45 pm    Post subject: Reply with quote

Is dog red meat?
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