They're known as man's best friend; but dogs could soon also be their greatest ally in the fight against prostate cancer. Britain's National Health Service recently approved a trial for dogs capable of sniffing out prostate cancer in the hope that it could show up inaccuracies in the current PSA (prostate specific antigen) test.
It's long been known that a dog's remarkable sense of smell can detect minute odors known to be associated with many cancers which are understood to be linked to volatile organic compounds produced by malignant cells.
"Dogs have got this fantastic . . .