The questionnaire, included 43 questions divided into four different sections: (1) personal data (4 questions: age, gender, hometown, current employment—especially if they had the possibility to work from home, also called “smart working”); (2) anthropometrics information (2 questions: reported weight and height); (3) dietary habits information: (a) adherence to the MD, using the validated 14-items Mediterranean diet adherence screener (MEDAS), which score ranges from 0 to 14 points [33], (b) structured questionnaire packet (11 questions: daily consumption of certain foods—for example junk food consumption: packaged sweets and baked products, sweet beverages, salted snacks and dressing sauces; food frequency; number of meals/day); (4) lifestyle habits information (12 questions: grocery shopping, smoke habit, hours of sleep and physical activity).