Finally, we have found a way to capitalize on our dogs' long-standing affinity for sniffing rear ends.Recent studies are showing that trained dogs
are nearly four times better than modern testing when it comes to detecting prostate cancer.
Prostate-specific antigen (or PSA) tests, in which blood is tested for a protein produced by the prostate, have been the most reliable and least invasive way to determine whether or not a man has prostate cancer. However, even that test frequently produces a false positive. In fact, 75% of positive PSA tests turn out to be incorrect, meaning that 3 out of 4 people receiving the bad news had no reason to be put under such stress.Our canine compatriots, on the other hand, can detect prostate cancer with roughly 90% accuracy. And while this may be initially surprising, should it be? Dogs have been used for their keen sense of smell for hundreds of years
. From tracking game, to sniffing out drugs and explosives, dogs’ well-honed schnozzes have been exceptionally useful tools for numerous tasks. And pair that with their ability to learn and perform various jobs, it should come as no surprise that, with the proper training, dogs can detect nearly anything.RELATED STORY: Your Dog Knows Your Smell, Even From Afar
How Do These Dogs Do it?
Dogs have the ability to pick up scents that are as diluted as one part per thousand, thanks to their 200-million-some-odd nasal olfactory receptors (compared to the paltry 6 million we humans are equipped with). It's that keen sense of smell that makes dogs such natural trackers
. In order to use that ability to detect cancer, dogs can be specially trained to sniff out certain chemicals produced by prostate tumors in urine.In a recent study by Dr. Jean-Nicolas Cornu of Tenon Hospital, out of the 66 tests that were done, Medical Detection Dogs were spot on 63 times, with only 3 false positives in the batch. That is an almost unheard of success rate for a test of this nature.Skeptics are bringing up some concerns with the initial test, saying the sample size is too small to be making claims, or that the dogs may have been picking up on subconscious cues
from researchers. Still, this test does open up the a whole new way to think about testing for diseases.What do you think about using dogs to help detect cancer? Leave a comment and let us know! Also, consider signing up for PetPlus, a benefit program for pet owners that provides member-only access to medications at wholesale prices, plus discounts on food, supplies, boarding and more.Sources:Counsel Heal - Dogs are Four Times More Effective Than Prostate Cancer TestsWebMD - Dogs Sniff Out Prostate CancerDaily Mail - Dogs are FOUR times better at detecting prostate cancer than traditional tests