The Relationship Between Personality Type (Introvert and Extrovert) and Hypertension in the Productive Age: A Review of Current Literature Silvia Indrayani1, Sulistiawati2*, Izzatul Fithriyah3 Abstract Background: Hypertension is a situation where the systolic blood pressure is increasing ≥140 mmHg and diastolic blood pressure is also increasing ≥90 mmHg on two