Dogs Capable of Sniffing Out Cancer

“Our bodies produce all sorts of things. Some waste materials are excreted through the kidney [or] the liver, some are excreted through the lungs,” said Dr. Len Lichtenfeld, deputy chief medical officer for the American Cancer Society. “The concept of there being something that a cancer might produce — a volatile substance [that a dog could smell] — is perhaps not mainstream, but it’s not as far-fetched as it sounds.”
This canine ability is no recent discovery as this has been noted since the early 2000s. In the U.K., a pug named Flo alerted its owner of malignant lump on her right breast and a Cavalier King Charles spaniel gently pawed at its owner’s left breast, later prompting her to go to a doctor.
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