Head and neck cancer and oesophagus adenocarcinoma are both 23% and 24% more likely to happen if you eat 10% more ultra-processed foods (UPFs).

21 Dec 2023 Dipak Jaiswal 

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A study of 450,111 adults over 14 years shows that the UPF-driven cancer risk is not just due to obesity.

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Having more body fat helps explain a small part of the link between UPF and cancer in the upper respiratory system.

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Authors say that UPF contaminants like emulsifiers and sweeteners may raise the chance of cancer in the upper aerodigestive tract.

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A study warns of bias and urges care in linking higher UPF use to a higher chance of cancer, citing examples of accidental deaths that are not caused by UPF.

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The authors stress the need for longer studies with food follow-up, which is necessary to make sure that the results are still true in modern UPF lifestyles.

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UPFs are linked to bad health. The study looks into whether they directly cause results or whether other things affect the risk of cancer.

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