Healthcare

A new animal study, published in the Journal of Clinical Biochemistry and Nutrition, advices regular walnut consumption may be a promising mediation for reducing negative outcomes associated with Helicobacter pylori (H. pylori) infection, a widespread bacterial infection that affects more than half of the worlds population.

Using mice models, researchers from the CHA Cancer Prevention Research Center in Korea found primary evidence that eating a diet rich in walnuts may help protect against negative outcomes associated with H. pylori infection. Specifically, the research found that walnut extracts, formed from whole walnuts, may help create protective proteins and anti-inflammatory actions in the gut that may safeguard against H. pylori infection and causing cancer in mice. The study was backed by the California Walnut Commission.

Prevalence of H. pylori is most common in developing countries as it is generally related to socio-economic status and health conditions and is thought to be spread through person to person contact or even through food and water. H. pylori infection is a major cause of ulcers in the stomach and small intestine as well as stomach cancer and peptic ulcer disease. While treatments are currently available, there are concerns about the bacterias growing battle to antibiotics. Helicobacter Pylori Infection in MENA Region.

While H. pylori popularity is low in developed western societies, especially in children (less than 20%), its incidence increases rapidly to 50% in children and 70-90% in adults in developing countries. The overall prevalence of H. pylori infection, irrespective of time and age group, in MENA Region ranged from 22% to 87.6%. The prevalence of H. pylori in MENA region is still high in the healthy asymptomatic population.

This is not the first-time walnuts have been linked to a lower risk of gastrointestinal cancer development in mice. Two other animal studies published in Cancer Prevention Research and Nutrients found that walnuts in the diet may suppress colon tumor development by customizing gut bacteria as well as inhibit the progression of colorectal cancer by abolishing angiogenesis the development of new blood vessels which facilitates the growth of cancer cells.

Animal studies are valuable for providing background information and can be used as a basis for future research in humans. Based on the existing body of evidence, including this study on walnuts, dietary access to reduce symptoms of H. pylori infection, such as inflammation, seem beneficial to pursue in a well-designed clinical trial to confirm the findings.

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