Sickness Stinks

If you have been to the airport or any public place since 9/11, we see dogs standing next to security people at the ready because of their ability to smell explosives.  Police dogs have also been used for missing persons or finding the remains of a deceased person. Did you know that dogs can smell diseases and sense seizures before they happen?  Dogs possess about fifty times more olfactory receptors in their noses compared to humans and the part of the dog’s brain that is devoted to analyzing smells is about 40 times greater than humans.  Dogs also have a vomeronasal organ which enables them to detect pheromones, which are chemicals that transfer information to another member of either the same or another species. 

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