a system of actions, deeds and actions of a person aimed at preserving and strengthening health, maintaining harmony with oneself, the surrounding nature and society, as well as preventing diseases and improving the quality of life. It includes a conscious commitment to a lifestyle that promotes physical, mental and social well-being, the use of knowledge and skills to prevent hazards, and adaptation to changing conditions in order to maintain health. Such behavior is a conscious, purposeful way of acting that contributes to the preservation and improvement of health in various aspects of a person’s life.