Scientists are discovering more and more ways our lifestyle affects cancer risk—and now, they’ve identified a surprising culprit hidden in our everyday diet. A new study shows that what we eat could have a major impact on the progression of a common type of lung cancer.
While it’s long been known that diet impacts diseases like diabetes and cancers of the liver, pancreas, and colon, few have looked closely at its link to lung cancer. That changes with new research published in Nature Metabolism, highlighting a direct connection between the Western diet and the growth of lung adenocarcinoma (LUAD), one of the most common forms of lung cancer.
Glycogen: fuel for cancer growth
The study focuses on glycogen, a molecule made up of glucose that our bodies store for energy. Researchers from the University of Florida found large buildups of glycogen in the lung tissue of LUAD patients.
Thanks to an innovative method called spatial metabolomics, they could map exactly where glycogen appeared in tissues—and they found that the more glycogen present, the faster tumors grew.
How Western diets accelerate tumor growth
The team also ran experiments with mice fed a Western-style diet high in sugars and fats. They saw that mice with higher glycogen levels developed lung tumors much faster. When glycogen levels dropped, tumor growth slowed. In essence, glycogen acts as a direct fuel source for cancer cells.
Could better eating prevent lung cancer?
This discovery could be a major breakthrough.
First, it strengthens the case for promoting healthier diets to lower lung cancer risk, much like how anti-smoking efforts helped reduce smoking rates. Public health campaigns could soon focus more on the dangers of poor nutrition.
Second, glycogen could become a powerful biomarker to monitor cancer progression and guide treatment decisions for LUAD patients.
In short, eating better might not only help prevent lung cancer, but also improve the way we detect and treat it. A hopeful outlook—if we turn this science into real-world action.
Christelle Cherrier
Web editor
Passionate about words and driven by curiosity, I traded my career as a market research analyst for the sharpened pen of a web writer. For five years, I’ve specialized in health and wellness, delivering clear and insightful content. I’m endlessly fascinated by everything human—from the workings of the body to the mysteries of the mind. My goal? Making complex topics accessible, informative, and engaging—no prescription required!
Marie Pireddu
Marie Pireddu is a French-English translator specializing in digital marketing, technology, and mobile apps. She is also a business English trainer for professional adults, helping clients master English for international business, with a focus on American culture and corporate communication.
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