A 2026 review of 70 studies on air pollution and gastrointestinal diseases found that long-term exposure to fine particulate matter (PM2.5) was associated with higher mortality from GI cancers, with a notable association involving colorectal cancer.
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Air pollution link to GI cancers under scrutiny as Delhi sees patients as young as 15
October 11, 2026A 2026 review of 70 studies on air pollution and gastrointestinal diseases found that long-term exposure to fine particulate matter (PM2.5) was associated with higher mortality from GI cancers, with a notable association involving colorectal cancer.