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Dogs and people have been living side by side for about 15 thousand years, so, it would seem that we know each other very well. However, there are things which only specialists know about dogs. I suggest to get acquainted with some little-known facts about a person’s best friend.
Dogs can get our diseases
About 6 million dogs are diagnosed with cancer each year, except In addition, there are “dog versions” and other human diseases. And for a person, this is rather a plus, because this state of affairs makes it possible to arrange clinical trials of new drugs in domestic animals.
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They smell our diseases
If a person has oncology, diabetes or epilepsy, theoretically it is the dog who can be the first to report it. Research has shown, that dogs can be trained to detect lung cancer, breast cancer, skin, bladder and prostate. In addition, dogs feel fluctuations in blood sugar of diabetics and can warn their the owners are aware of the danger before they even feel the symptoms. Most the mysterious fact is that dogs can feel an epileptic seizure about 45 minutes before it begins.
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Not all dogs are equally smart.
Dogs can be smart, like a 2 year old child: that’s what study presented in 2009 at a meeting of the American associations of psychologists. Collies capable of understanding up to 200 words, leading in the ranking of intellectual dogs, and German poodles shepherd dogs, golden retriever and dobermans close the top five smart breeds. By the way, old hunting breeds, such as hounds and bulldogs are at the end of the list, as nature developed their muscles rather than the brain.
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Dogs can infect humans
Like other animals, dogs can be carriers pathogens that harm people by causing rabies and neurological diseases. People can get infected from dogs with salmonella bacteria and parasitic roundworm worms, just stroking the hair of infected animals. Therefore in order prophylaxis is necessary to wash your hands thoroughly after each contact with dog.
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Dogs feel envy
According to a study published in the journal Proceedings National Academy of Sciences, “when some dogs receive a promotion, others without a reward worry, scratch themselves and prefer not to look at the awarded relatives. Similar the situation also occurs if some dogs get in as a promotion to sausage, while others are just bread.
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Dogs have no guilt
Your pet’s “puppy eyes” are just a response to reproach, whether the dog is really to blame or not. It is experimentally confirmed that this insightful look at case does not reflect any introspection.
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Obedient dogs live longer
In a study published in June 2010 in The American Naturalist, compared energy consumption, growth and life expectancy of 56 dog breeds. Scientists have discovered that representatives of bold, aggressive breeds, were dying young. Wherein they grew faster than obedient, more capable of training dogs also had higher energy needs.
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Dogs are the most diverse looking mammals.
These four-legged animals exhibit an amazing variety of shapes. body. According to a study published in The American Naturalist in 2010, the differences between the skulls of different breeds of dogs can be as pronounced as between completely different species of mammals.
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Dogs will help you communicate.
According to a survey conducted by an American Pet Products Manufacturers Association in 2010 year, 39% of American families have at least one dog, and 80% of dog owners spend more than two hours on their pets day. Study published in the journal of the British psychological society, shows that when a person walks with dog then the number of his social interactions with other people will be three times more. Moreover, the dogs caused a positive social contact, even when the animal looked evil, or the owner was neatly dressed.
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Dogs