According to the work, published in the journal Animals, which is the first to combine data from multiple species - cats and dogs - from the same people.
They provide people with food and raw materials, help with farming and treatment of diseases, protect them from ill-wishers and are simply pleasing to the eye.
Thanks to animals, human evolution occurred. From domestic animals, a person has: silk, leather, wax, wool and other raw materials.
Cats protect human homes from rodents.
Dogs guard the house, help herd herds, and find lost people.
From domestic animals, humans receive milk, meat, eggs, and honey.
Domestic animals provide wool, silk, leather, feathers, and down.
It has been proven that keeping pets improves immunity, therefore significantly reducing the risk of developing allergic diseases and heart disease.
Communication with animals increases the level of the hormone oxytocin, which in turn reduces the level of the hormone that causes stress - cortisol.
Therefore, now, when stressful conditions arise, doctors even recommend getting yourself a pet.
Interacting with pets has a particularly beneficial effect on children.