Lifestyle and Nutrition Evaluation in Physically Active People and Athletes

The goal of this observational study is to explore the dietary intake, nutrition knowledge and body composition in Italian athletes and physically active adults. This is a nonprofit study aimed at improving clinical practice. The main questions it aims to answer are: * Assessment of level of adherence to Mediterranean Diet using MEDI-LITE questionnaire * Assessment of nutrition knowledge * Current dietary intake and eating habits evaluation and comparison to the recommendations, according to sport practised * Eating behaviour assessment Participants will undergo the following assessments: anthropometric and body composition assessments, Resting Metabolic Rate measurement, Dietary intake assessment, Nutrition knowledge, Lifestyle and behaviour, Physical activity assessment.