Inclusion Criteria for the retrospective study: People diagnosed with Parkinson's Disease.  Exclusion Criteria: None.  Inclusion Criteria for the cross-sectional study:  Diagnosis of PD. Jewish sector will be fluency in Hebrew (comprehension, speaking, and reading), and for the Arab sector, fluency in Arabic or Hebrew (comprehension, speaking, and reading).  Exclusion Criteria for the cross-sectional study:  Acute hospitalization in the last 3 months. Severe co-morbidities other than PD that affect daily living, special populations including pregnant women, minors (<18 years old). Patients who are not eligible to sign consent forms due to physical or mental conditions. People who have a guardian, score less than 20 in the Mini-Mental state exam test.