*Ø* Dogs can sniff out cancer

"Dogs can be trained to sniff out bladder cancer, the first controlled experiments published claim.

"There have been anecdotal reports of dogs spotting cancer in their owners, but now researchers say they have proved this phenomenon scientifically.

"The scientists at Amersham Hospital, Buckinghamshire, ultimately hope to build a tool that is as good at discerning these smells as dogs' noses.

"Their findings appear in the British Medical Journal."
Full text at the BBC