Hypertension, or high blood pressure, is a silent yet powerful force in the development of heart disease, which remains the leading cause of death worldwide. According to the World Health Organization (WHO), over 1.28 billion adults globally suffer from hypertension, with only one in five having it under control. Characterized by sustained elevated blood pressure of 130/80 mmHg or higher, hypertension imposes stress on the cardiovascular system, damaging arteries and overworking the heart. This article explores the connection between hypertension and heart disease, the mechanisms that exacerbate cardiovascular risk, and practical strategies to protect your heart.