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What you eat may impact your lung cancer risk, according to a new study

UNITED KINGDOM AND UNITED STATES, JUL 30 – Participants consuming the most ultra-processed foods had a 41% higher risk of lung cancer, independent of smoking and diet quality, during an average 12-year follow-up.

  • Thorax published the study by Wang et al examining ultra-processed food intake and lung cancer risk, noting potential residual confounding by smoking.
  • The analysis drew on international cohorts from the UK and USA, analyzing data from more than 100,000 participants with an average follow-up exceeding 12 years.
  • Analysis revealed that lung cancer cases occurred, and participants with highest UPF consumption were associated with a higher likelihood of developing lung cancer.
  • Experts cautioned that an observational study cannot establish causality, and Dr Adam Jacobs noted residual confounding from crude smoking adjustment.
  • In broader context, study authors suggest limiting UPF intake could reduce the global lung cancer burden, though residual confounding remains a consideration.
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Medical Xpress broke the news in on Tuesday, July 29, 2025.
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