In this cross-sectioanl study, 90 patients aged >12 years old with T1DM who are on MiniMed 780G system will be included.The investigators aim to assesse the association of patients' adherence to Mediterranean diet (MD) with CGM and insulin metrics, as well as anthropometric measurements, BMI, lipid levels and blood pressure.Moreover, markers of endothelial, cardiovascular and liver function will be also assessed and associated with the use of Minimed 780G and the adherence to MD.

This cross-sectional study will include 90 participants, children adolescents and young adults (12> years old) with T1D that are on MiniMed 780G system. Participants will be evaluated for adherence to Meditteranean Diet (MD) with PREDIMED questionnaire. HbA1c, CGM and Insulin Metrics, anthropometric measurements, blood pressure and lipid leves will be aso evalutaed. Markers of endothelial cardiovascular and liver function will also be assessed.

Inclusion Criteria:

1. Clinical diagnosis of type 1 diabetes >1 year prior to consent date. Diagnosis of type 1 diabetes is based on the investigator's judgment; C peptide level and antibody determinations are not required.
2. HbA1c < 12.5%
3. Age >7years at the initiation of the system
4. Patients with Minimed 780G
5. History of 3 clinic visits in the last year

Exclusion Criteria:

Diabetic Ketoacidosis in the 6 months prior to screening visits

Children adolescents and young adults (12> years old) with T1D that are on MiniMed 780G system.