American scientists from the city of Buffalo has conducted a number of studies. As a result, it turned out that the happiness of cat owners directly depends on whether their pet is healthy. In addition, the families where these animals are kept are much easier to cope with various crisis situations and stress, as well as communicate with each other more often. Many doctors tell amazing facts about cats, which leads to the conclusion that furry creatures are simply irreplaceable for people. For example, they can prevent a heart attack. A person with high blood pressure has only to stroke their favorite cat and it will begin to fall.