Researchers say mutations more often found in younger patients’ tumours caused by toxin secreted by E coli strains
Childhood exposure to a toxin produced by bacteria in the bowel may be contributing to the rise of colorectal cancer in under-50s around the world, researchers say.
Countries, including some in Europe and Oceania, have witnessed an increase in young adults with bowel cancer in recent decades, with some of the steepest increases reported in England, New Zealand, Puerto Rico and Chile.
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