Life quality requirement and indicators is person's health, which is affected by food quality and eating habits. Healthy food consumption is related not only with food quality standards, but it is influenced by social, economic and cultural factors, in specific cases by physiological, inherited or gained eating habit features corresponding to persons age. Complying with these features, for example, new-born nourishment, different product or substance intolerance, or illnesses etc. determine the

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... intake of necessary nourishment. Eating habits are analysed together with other healthy life style components, as well as physical, social and educational environment influence factors on physical and psychological well-being. In a life quality context researchers have studied eating habits and factors that influence them already for a while, creating a study basis to ascertain the dynamics of behaviour change, as well as carrying out quantitative and qualitative data comparative analysis. Empiric data basis include different age groups, starting from study on factors affecting new-born life quality from 2007, which continued at preschool and elementary school age group from 2008 and at secondary school level from 2011. The aim of this article is to present the outcome of longitudinal study on the eating habits and their impact on quality of life. Conclusions and recommendations for unhealthy habit change can be found in complex approach, focusing on education improvement aspect interrelations with institutional solutions, providing healthy food accessibility and limiting the unfavourable factors.