Why is hardening necessary to maintain health?

Because hardening helps to increase the body’s resistance to adverse weather and climate conditions. Hardening helps to train the body’s defenses, prepare them for timely mobilization. Tempering procedures normalize the state of the emotional sphere, make a person more restrained, balanced, they give vitality, improve mood. Hardening also increases the performance and endurance of the body. A hardened person can easily tolerate not only heat and cold, but also sudden changes in external temperature, which can weaken the body’s defenses. Also, in a hardened person, metabolism is activated, the activity of the respiratory system and the cardiovascular system improves, and immunity increases.