It wants people to eat less salt and for the content of food to be labelled more clearly.

 

In the UK, the WCRF said one-in-seven stomach cancers would be prevented if people kept to daily guidelines.

 

Cancer Research UK said this figure could be even higher.

 

Too much salt is bad for blood pressure and can lead to heart disease and stroke, but it can also cause cancer.

 

The recommended daily limit is 6g, about a level teaspoonful¹, but the World Cancer Research Fund said people were eating 8.6g a day.

 

Undetected

 

There are around 6,000 cases of stomach cancer every year in the UK. The WCRF estimated that 14% of cases, around 800, could be avoided if everyone stuck to their 6g a day.

 

Kate Mendoza, head of health information at WCRF, said: "Stomach cancer is difficult to treat successfully because most cases are not caught until the disease is well-established.

 

"This places even greater emphasis on making lifestyle choices to prevent the disease occurring in the first place - such as cutting down on salt intake² and eating more fruit and vegetables."

 

Eating too much salt is not all about sprinkling it over fish and chips or Sunday lunch, the vast majority is already inside food.

 

It is why the WCRF has called for a "traffic-light" system for food labelling - red for high, amber³ for medium and green for low.

 

However, this has proved controversial with many food manufacturers and supermarkets preferring other ways of labelling food.

 

Lucy Boyd, from Cancer Research UK, said: "This research confirms what a recently published report from Cancer Research UK has shown - too much salt also contributes considerably⁴ to the number of people getting stomach cancer in the UK. 

 

"On average people in Britain eat too much salt and intake is highest in men. 

 

"Improved labelling - such as traffic light labelling - could be a useful step to help consumers cut down." 

 

A spokesman for the Department of Health said: "We already know too much salt can lead to conditions such as heart disease and stroke. That is why we are taking action through the 'Responsibility Deal' to help reduce the salt in people's diets. And we are looking at clearer... labelling on foods as part of our consultation⁵ on front-of-pack labelling. 

 

"We keep these findings under review alongside other emerging research in the field."

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