The Israeli dogs that can detect cancerDogs were trained to smell cancer through different samples before, but "Dog Prognose" does it for the first time through saliva.Dog [Illustrative](photo credit: Courtesy)
![Dog [Illustrative]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/434934 "Dog [Illustrative]")