In a 2019 study, three beagles were trained to smell cancer from blood samples. They used their highly evolved sense of smell to pick out blood samples from people with lung cancer with nearly 97% percent accuracy.

A new study has shown that dogs can use their highly evolved sense of smell to pick out blood samples from people with cancer with almost 97 percent accuracy.

Image credit: BioScentDx
Source: eurekalert.org/pub…