PRINCIPLES AND METHODS OF BODY HARDENING

Abstract

The article describes different methods of hardening: water treatments, air baths and sunbathing. Their advantages are described and how to do them correctly. Special attention is paid to the safety of hardening, so as not to harm health.  This article will be useful to anyone who wants to improve their health and be cheerful. A lot of research has been done in this area, which helps in the practice of trainers, doctors and physical education instructors.