Study of brain changes due to stress and remote brain check-up: deep subcortical white matter high intensity grade, periventricular hyperintensity grade, enlargement of Virchow-Robin space, age, gender, BMI, hypertension, dyslipidemia, arrhythmia, stroke history, surgery history - Study of brain changes due to stress and remote brain check-up: deep subcortical white matter high intensity grade, periventricular hyperintensity grade, enlargement of Virchow-Robin space, age, gender, BMI, hypertension, dyslipidemia, arrhythmia, stroke history, surgery history