This study investigates the dietary patterns, health behaviors, and related determinants among young people in Poland, amid increasing lifestyle-related health concerns like obesity and poor nutrition. Understanding the factors influencing these behaviors is crucial for crafting effective public health strategies. The objective was to analyze young Poles' eating habits, their perceptions of health, and the role of various determinants in shaping these behaviors. A survey was conducted among a representative sample of young Poles, gathering data on eating habits, health perceptions, and lifestyle choices. The survey focused on the respondents' understanding of healthy eating, sources of nutrition knowledge, and the influence of family, social media, and public health campaigns. Data were analyzed using descriptive statistics, and correlations between health behaviors and socio-demographic factors were examined. The study revealed that 88% of young respondents prioritize health, with 73% acknowledging a link between nutrition and health. While most participants accurately described healthy eating and reported adherence to dietary guidelines, 43% engaged in emotional eating, which often led to compulsive behaviors associated with obesity. Social media, internet articles, and family were primary sources of nutrition knowledge. Despite their knowledge, fruit and vegetable consumption was below recommended levels, and physical activity levels were insufficient in nearly half of the respondents. Only 36% regularly read food labels, with many choosing products containing additives. Appearance-related stress was prevalent among 52% of respondents, while sleep deficits and lack of sufficient physical activity were common. The findings suggest that while young Poles possess a high level of awareness regarding healthy eating, gaps remain in the application of this knowledge, particularly concerning emotional eating and inadequate fruit and vegetable consumption. Public health campaigns should be more effectively targeted to address these gaps and promote sustainable health behaviors from early childhood. Addressing emotional eating, enhancing physical activity, and improving nutrition education through effective channels like social media are key to improving public health outcomes.