 The results of this study suggest that the Covid-19 pandemic has had a significant impact on the Italian population's lifestyle, eating habits and adherence to the Mediterranean diet pattern. Specifically, the majority of people reported experiencing weight gain, with 48.6% of respondents reporting this symptom. Additionally, 3.3% of respondents decided to quit smoking due to the pandemic. Furthermore, a slight increase in physical activity was observed, particularly for body weight training, in 38.3% of respondents. Finally, the population group aged 18 to 30 years showed a higher adherence to the Mediterranean diet than both the younger and older age groups. This article was authored by Laura Di Renzo, Palabaltieri, Francesca Pavari, and others.