Cognitive problems common in bowel cancer

People diagnosed with colorectal cancer (CRC) suffer far higher rates of cognitive impairment than the general population even before chemotherapy or surgery, say researchers from Australia and Canada.

Their study of 360 people with stage I-III disease and 70 healthy controls showed cognitive impairment was three to five times higher in CRC patients.

Deficits were particularly noticeable in verbal learning and memory, processing speed and attention and working memory, and

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