Proper nutrition along with physical activity promote health and well-being, affect the mental balance of a person, his perception of reality and interpersonal relationships. Automating pro-health behaviors affects behaviors that do not require large amounts of psychoenergetic resources, thus accumulating energy for other life processes. The aim of this article is to analyze the eating behavior and physical activity among employees of corporations with diet based on an externally supplied box diet which is make on their own nutritional choices (they use diet catering meals). The empirical study covered clients of enterprises offering dietary catering. An individual in-depth interview was used as a qualitative research technique. The conclusion to be drawn from the conducted empirical study is that people using externally supplied box diets do not develop healthy eating habits. In the periods when they eat independently, in most cases they do not pay attention to the health, regularity and caloric content of the consumed meals.

The culture of the modern world assigns a huge importance to the beauty of the external body, treating attractive appearance as a determinant of success and happiness. Physiological changes taking place in the body of a young person correlate with changes in the perception of his body. The article aims to define the role of social media in influencing the perception of the body by adolescents aged 16-19. The survey questionnaire was used as a quantitative research technique created by the authors and the Sylwetek test (DRS, Contour Drawing Rating Scale). 190 teenagers were included in the study. The conclusion to be drawn from the conducted empirical study is that social media are an important factor in creating a vision of one’s own body among maturing people. The statistical analysis of the test results showed a statistically significant discrepancy between the ideal self and the real self in the body image among the examined group of young adolescents.