Dogs can sniff out post-cancer reactions

Dogs can sniff out cancer after reaction Dogs can sniff out cancer after reaction and will bark at the location where a person has cancer. The accuracy of a professionally trained sniffer dog sniffing out cancer patients is up to 70 percent or more. A German scientist once found that a professionally trained dog is able to sniff out whether a human has lung cancer. After the experiment, it is proved that the accuracy rate of dogs sniffing out cancer is up to 70%, which is a great progress in medicine.