Dogs Sniff Out Bladder Cancer From Urine

hookedup writes "Volunteers from Hearing Dogs for Deaf People found dogs can be trained to sniff out a tell-tale scent of bladder cancer from urine. As a group, the 6 dogs used in the test correctly flagged the positive sample 22 times out of 54, for a success rate of 41 per cent. By chance alone, the expected success rate would be 14 per cent"