Scientists discovered that dogs can smell stress in our breath and sweat. Four dogs - pets volunteered by their owners - were trained to "choose" one of three scent canisters. And in more than 650 ...

This measure, consequently, improves the quality of breath. That is why the veterinarian recommends acquiring the mouthwash in the veterinarians and putting it in the water that the dog drinks ...

First, they collected dozen of samples of breath and sweat from people with ... And if they were right, they got a treat, good dog! To the researchers' excitement, the canines excelled.