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The UN’s International Agency for Research on Cancer’s (IARC) warning on Monday that processed meats like sausages and ham cause bowel cancer - and red meat “probably” does too – begs an obvious question.
Does this mean we should all stop eating meat?
By the IARC’s own account, meat has “known health benefits”.
And the agency says it does not know what a safe meat quota would be - or even if there is one.
Other specialists insist the report is no reason to drop steak from the menu, though it is probably wise for big eaters of it to cut back.
Meat is a good source of key nutrients like zinc, protein and vitamin B12, they point out, as well as iron, which humans absorb more easily from meat than from plants.
“This decision doesn’t mean you need to stop eating any red and processed meat,” said Tim Key, an epidemiologist at Cancer Research UK.
“But if you eat lots of it, you may want to think about cutting down. You could try having fish for your dinner rather than sausages, or choosing to have a bean salad for lunch over a BLT (bacon, lettuce and tomato sandwich).”
Nutritionist Elizabeth Lund from Norfolk in England said obesity and lack of exercise were a far bigger cancer risks.
“Overall, I feel that eating meat once a day combined with plenty of fruit, vegetable and cereal fibre plus exercise and weight control, will allow for a low risk of CRC,” she said, referring to colo-rectal cancer.
“It should also be noted that some studies have shown that if meat is consumed with vegetables or a high-fibre diet, the risk of CRC is reduced.”
Ian Johnson of the UK-based Institute of Food Research, said meat consumption was “probably one of many” factors contributing to relatively high rates of bowel cancer in the United States, Western Europe and Australia - parts of the developed world where more meat has traditionally been eaten.
However, “there is little or no evidence that vegetarians in the UK have lower risk of bowel cancer than meat-eaters,” he said.
The specialists point out that the cancer risk posed by a meaty diet was statistically much lower than other factors like tobacco smoking and air pollution.
The IARC report “does not mean... that eating bacon is as bad as smoking,” said University of Reading nutrition expert Gunter Kuhnle.
“Processed meat can be part of a healthy lifestyle - smoking can’t”.
According to the World Health Organization, bowel cancer is the third most common type, with some 900,000 new cases every year, and 500,000 deaths.
Generally, dietary advice is to limit red-meat intake to once or twice a week, said nutrition professor Tom Sanders of King’s College London - the equivalent of about two steaks or three hamburgers.
“The problem with this issue is that food is not like tobacco - we have to eat something.”
 


If meat causes cancer shouldn’t we all stop eating it? Not so, say experts

Processed meats may cause cancer, but they may also yield some health benefits, too. And, in the words of one UK nutrition expert, "we have to eat something". Photo: AFP

Bacon, hot dogs, ham join the list with tobacco, asbestos and diesel as things that can give you cancer

Streaky bacon. Crispy bacon. Yummy bacon. Photo: SCMPOST

Sausage on a grill. Will you be cutting down on sausage, ham and bacon because of the WHO finding? Photo: Edward Wong

Scotch egg, where sausage wraps around the egg. Photo: SCMPOST

A bacon roll sits on a customer's table in a Greggs Plc sandwich chain outlet in Caterham, U.K., on Thursday, Oct. 22, 2015. Same-store sales at Greggs have grown 5.6 percent so far in 2015, up from 3.9 percent across the same period last year, and the company said on Oct. 6 that full-year growth will exceed its previous forecast slightly. Photographer: Chris Ratcliffe/Bloomberg

A butcher carves beef meat in a supermarket in Besançon. Eating sausages, ham and other processed meats causes colon cancer, and red meat "probably" does too, an arm of the World Health Organization said today. Photo: AFP

The findings of the World Health Organisation might alarm those who like a bacon roll for breakfast. Photo: Bloomberg

If the cancer link with red meat were confirmed, diets rich in red meat could be responsible for 50,000 deaths a year worldwide. Photo: Jonathan Wong

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