Depression Among First- and Fifth-Year Medical Students in Riyadh, Saudi Arabia.

Background: Depression, which is characterized by persistent sadness, is a highly prevalent and serious medical disease that affects more than 300 million individuals worldwide. It is hypothesized that the onset of depressive symptoms in medical students occurs due to prolonged exposure to the stressful environment of medical colleges. Hence, we aimed to determine the presence of depressive symptoms and compare the level of depression between the first-year and fifth-year medical students in Riyadh city, Saudi Arabia.