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Eating sausages, ham, 'probably' red meat causes cancer: agency

26 October 2015, 20:36

Paris - Eating sausages, ham and other processed meats causes colon cancer, and red meat "probably" does too, a UN agency said Monday in a potentially heavy blow for the global meat industry.

The analysis of 800 studies from around the world by the International Agency for Research on Cancer (IARC) found "sufficient evidence in humans that the consumption of processed meat causes colorectal cancer."

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The category includes meat that has been salted, cured, fermented or smoked hot dogs, sausages, corned beef, dried meat like beef jerky or South African biltong, canned meat or meat-based sauces.

The finding supports "recommendations to limit intake of meat" particularly in processed forms, said the IARC.

"In view of the large number of people who consume processed meat, the global impact on cancer incidence is of public health importance," IARC official Kurt Straif said in a statement.

For an individual, the risk of getting cancer from eating processed meat was statistically "small", the agency said, but "increases with the amount of meat consumed."

"Each 50-gramme (1.8-ounce) portion of processed meat eaten daily increases the risk of colorectal cancer by 18 percent," it said in a statement.

For unprocessed red meat beef, veal, pork, lamb, mutton, horse or goat, the review found "strong" evidence of a cancer-causing effect, but not sufficient to place it in the same group of cancer-causing agents as tobacco smoke, asbestos, and now also processed meat.

As for processed meat, the red meat risk was mainly for cancer of the colon and rectum, but also the pancreas and prostate, said the report.

The agency cited research attributing about 34,000 cancer deaths per year worldwide to diets high in processed meat.

As for red meat if the suspected link were to be confirmed it would account for some 50,000 cancer deaths per year worldwide.

The numbers were dwarfed by the estimated one million cancer deaths per year due to tobacco smoking, 600,000 from alcohol use, and more than 200,000 due to air pollution, said the agency.

'Tortured data'

Meat producers slammed the report, as independent experts urged caution in interpreting the numbers.

The North American Meat Institute (NAMI) said the IARC "tortured the data to ensure a specific outcome".

"Followers of the Mediterranean diet eat double the recommended amount of processed meats. People in countries where the Mediterranean diet is followed, like Spain, Italy and France, have some of the longest lifespans in the world and excellent health," said Betsy Booren, NAMI vice president of scientific affairs.

British nutrition expert Elisabeth Lund said via the Science Media Centre: "Very few people in Europe eat sufficient meat to fall into the high meat consumption category."

"Meat is such a good source of iron and zinc and many women are short of these key micronutrients Iron is much more available from meat than from vegetables or supplements."

According to Ian Johnson, a Britain-based nutrition researcher, "there is little or no evidence that vegetarians in the UK have a lower risk of bowel cancer than meat-eaters."

The report of the IARC, based in Lyon, France, was compiled by 22 experts from 10 countries.

Given that red meat is an important source of human nutrition, the results should help governments and regulatory agencies balance the risks and benefits of eating meat, it said.

The agency made no finding on whether the method of cooking meat affects cancer risk.



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