Hardening of the body. Tools, principles and methods of hardening

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The article discusses the main means, principles and methods of hardening. How hardening affects, the human body and its health in General, we will talk about some ways to restore immunity and justify what factors increase the body's resistance to adverse environmental effects.

Body, health, systems, methods, temperature, duration, person, medicine, training, defense, barrier, factors, nature, organism

Короткий адрес: https://sciup.org/170185182

IDR: 170185182

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