Trained Dogs Sniff Out Cancers!

Very interesting feature on the “Beyond Tomorrow” show on Discovery Channel. Lots more information, but the basics are these…

A woman had a what appeared to be a normal mole on her leg. Her dog kept sniffing and then licking it with some urgency. She finally went to the doctor and it was found she had bladder cancer, for which she was treated.

In studies since then, dogs were trained to sniff out the urine samples donated by bladder cancer patients from among healthy urine samples. Their success rate was 42% — threefold compared to a simple guess rate of 14%.

After one dog repeatedly selected a sample that was thought to be healthy, it was found that its donor in fact had kidney cancer. The patient received surgery in time and survived.

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