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Dogs can smell Cancer 97% accurately, says a study

A new study reveals that your canine friend can now smell cancer in blood samples with 97 % accuracy. Dogs have smell receptors that are highly sensitive to odours that we humans can't perceive. This finding can lead to a new low-cost, non-invasive, highly sensitive screening technique, that could help in early detection of cancer & save many lives. They used 4 beagles, of which 1 didn't perform & rest 3 identified correctly.