Bowel Cancer New Zealand’s medical advisor Frank Frizelle, a surgeon and bowel cancer expert, said research by University of Otago, Christchurch scientists which found a toxic form of a common gut bacteria was linked to bowel cancer was a “game changer”.

A common gut bug is likely behind bowel cancer, Christchurch researchers say after a world-first finding.

A University of Otago Christchurch research team found the common and usually helpful gut bug, bacteroides fragilis, is toxic in some people.

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