Eating yoghurt twice a week could reduce the risk of bowel cancer by 20 per cent, according to new research.
The study, published in the journal Gut Microbes, suggests that yoghurt's protective effects against colorectal cancer may work by influencing the balance of bacteria in the gut.
Scientists from Mass General Brigham in Boston analysed data from over 150,000 participants through two major US studies - the Nurses Health Study and the Health Professionals Follow-up Study.
The team examined dietary habits and reviewed more than 3,000 cases of colorectal cancer, which is currently the third most common cancer globally.
Colon cancer is currently the third most common type of cancer globally
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Researchers found that people consuming two or more servings of yoghurt weekly had a 20 per cent lower occurrence of proximal colorectal cancer.
This type of cancer occurs specifically in the right side of the colon and has been found to be deadlier than other types of colorectal cancer.
This protective effect was particularly notable in cases where tumours contained Bifidobacterium, a bacterial species commonly found in yoghurt.
The findings suggest that gut bacteria balance may play a crucial role in maintaining colorectal health.
"It has long been believed that yoghurt and other fermented milk products are beneficial for gastrointestinal health," said Dr Tomotaka Ugai, co-senior author from the Department of Pathology at Mass General Brigham.
"Our new findings suggest that this protective effect may be specific for Bifidobacterium-positive tumours."
While the research shows promising results, scientists emphasised that additional studies are needed to fully understand the link between yoghurt consumption and cancer prevention.
The research team noted that further investigation may help "elucidate the potential mechanisms for the effects of long-term yoghurt intake on colorectal carcinogenesis".
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Proximal colorectal cancer occurs specifically in the right side of the colon
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To offer your body the best protection against colon cancer, a well-balanced diet is advised.
NHS Inform states: "Fruit and vegetables are a key part of a healthy diet. Try to eat five portions of fruit and vegetables a day.
"Starchy foods and fibre give us more energy so it’s good to eat brown rice, beans and wholegrain bread. Protein from meat, fish and pulses helps our body cells grow and repair.
"Alcohol can increase the risk of developing certain cancers. Cutting down the amount of alcohol we drink can lead to a healthier lifestyle."
