Stomach cancer: Including this in your diet could significantly increase your risk
Stomach cancer symptoms are hard to detect in the beginning. The initial signs are easy to mistake for less serious conditions. Common symptoms can include persistent indigestion and heartburn, trapped wind and feeling bloated after meals. Although it not known what exactly causes the cancer, there are a number of risks factors associated with the condition.
One seemingly innocuous food can pose a particularly grave health risk. According to a meta analysis of existing literature published in the American Association for Cancer Research, eating pickled vegetables could potentially increase the risk of developing stomach cancer by fifty percent.
The probable explanation is the high salt content found in pickled foods – sodium is a key risk factor. The finding follows an 11-year study conducted by scientists at Japan’s National Cancer Centre Research Institute, which involved 40,000 middle-aged Japanese.
The study revealed that the risk of stomach cancer was one in 500 per year for those men with the highest salt intake – twice the rate for those who ate the least salt.
For women, the risk was one in 1,300 per year for those who ate the highest amount of salt, compared to one in 2,000 for those with a relatively salt-free diet.
Salting, pickling and smoking are traditionally popular ways of preparing food in Japan.
This study shows strong associations of stomach cancer with the intake of highly salted Japanese foods
Dr Tim Key
Commenting on the findings, Dr Tim Key, an epidemiologist for Cancer Research UK, said: “This study shows strong associations of stomach cancer with the intake of highly salted Japanese foods including salted fish and pickled vegetables.
“What we don’t know is whether it is specifically the salt in these foods that can cause cancer or a combination of salt and other chemicals.
“In Britain stomach cancer rates are much lower than in Japan and these types of highly salted foods are not widely consumed.
“But limiting salt intake is also important for reducing the risk for high blood pressure and cardiovascular disease.
“The study underlines the importance of limiting salt intake in our daily diet not only to reduce the risk of stomach cancer but also to protect against heart disease.”
According to Cancer Research UK, additional risk factors for stomach cancer include:
- Smoking tobacco
- Being overweight or obese
- Eating too few fruits and vegetables
- Eating processed meats
- Moderate to heavy drinking
- Other risk factors include:
- Age and sex
- Stomach cancer is more common in older people. Around half of stomach cancers develop in people aged 75 or over. Men are nearly twice as likely to get the disease compared to women.
- Low amounts of stomach acid – your risk of stomach cancer is higher if you have a condition that lowers the amount of acid in the stomach or if you’ve had an operation on your stomach that reduces the amount you produce.
- Reduced immunity – having a reduced immune system increases your risk of stomach cancer. Reduced immunity means that you are prone to picking up infections. The increase in risk is probably because of the increase in risk of picking up Helicobacter pylori.
“Some medical conditions and treatments can reduce your immune system by suppressing it. This includes HIV, Aids, pernicious anaemia and treatment after an organ transplant,” said the charity.
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