American scientists from the University of Minnesota found that cat purring is a great benefit to man. It is reported riafan.ru.
As the researchers report, purring promotes healing of wounds. Cats hum with a frequency of 25 to 150 Hertz. Experts say that when sounds of this frequency you can speed up the treatment of fractures and restore the muscle damage. According to the results of the work of scientists, people who have no cats, 40% more likely to suffer from heart attacks.
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It is noted that cat owners on average have fewer symptoms of stress. Most stressed people without Pets.