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Using the Dutch Eating Behavior Questionnaire (DEBQ) and Three-factor Eating Questionnaire-R18 (TFEQ-RI8), we defined the peculiarities of eating behavior and their impact on quality of life in young people aged 18-25 years. All participants were divided into two groups according to body mass index (BMI). The control group included 41 persons with normal body weight (BMI 18.5-24.9 kg/m2). The group of young adults with increased body weight (BMI over 25 kg/M2) consisted of 27 persons. We found eating behavior disorders in 85,19 % of overweight people and in 41,46 % of persons with normal weight. The restrictive eating behaviors as well as a significant percentage of violations by external type had predominated in overweight individuals by the structure of disorders. The external and restrictive types of eating behavior disorders were predominated in persons with normal weight. Investigation of quality of life using the SF-36 questionnaire showed a significantly decline in the physical role functioning and pain. Index of general physical health component, being not high enough in both groups, was significantly lower in overweight people with 52.70 points against 56.11. We concluded that the eating behavior disorders in persons with normal weight and in overweight people required an individual approach to forming healthy lifestyle and fixing broken food stereotype. It will counteract the further increase of body weight and contribute to improving the quality of life.