Dogs can ’smell’ bladder cancer
Study Findings:
- Tumours are thought to produce volatile organic compounds with distinctive odours. Even when present in minute quantities, it is possible that they are detectable by dogs, with their exceptional sense of smell.
- The dogs correctly selected bladder cancer urine on 22 out of 54 occasions, an average success rate of 41% compared to 14% expected by chance alone. The dogs’ capacity to recognise a characteristic bladder cancer odour was independent of other chemical aspects of the urine, such as the presence of blood.
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