As a dog owner I am biased. As a poor student I'm also biased, why are we looking for expensive screening and diagnostic mechanisms, it seems as though the answers to a lot of health questions are right in front of us. Albeit not a complete answer, but a place to start that seems logical. I stand by a firm belief that the answer to all of our health problems lies on this Earth, not created or synthesized in a lab. We just need to look. For the diseases that some may think will never be cured, why not start looking at a more basic level? Although to some this may seem like hocus pocus medicine, it makes sense to me. If animals can sense cancer, glucose levels etc through scent, why not put more research into finding out what these scents/markers are? Take this knowledge and create tools and screening methods that utilize them.
http://www.npr.org/2011/02/04/133498144/can-dogs-smell-cancer
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