Dogs shows promise in taking down cancers

1.)It presents the idea that dogs can smell cancer and assist in early detection of cancer.
2.)It utilizes authority based of the idea of the scientists being an authority figure
3.)Reason- The Scientists' reports use an amount of reason to come to thier conclusion
Language- The conclusion had to dbe conveyed some way
Emotion- A new detection method of cancer would be a monumental victory in the fight against cancer
Perception- The point of view of the scientists is their perception and you see the article through your point of view
The science of medicine is a natural science and the social sciences apply as well- you see what you want
4.) Yes there are results for 2 different studies in which the results aren't even given, but they say they support the claims, and the info on the other studies is vague at best.
5.)Should be peer-reviewed, and tried to prove wrong
6.)I don't believe in the idea presented in this article, due to the lack of evidence presented.