Introduction: Heart disease remains one of the leading causes of death worldwide. Understanding its causes and early symptoms can save lives. Main Points: • What is heart disease? Types (coronary artery disease, arrhythmia, heart failure) • Common causes: high blood pressure, high cholesterol, smoking, obesity, diabetes • Symptoms: chest pain, shortness of breath, fatigue, palpitations • Prevention strategies: healthy lifestyle, regular check-ups Conclusion: Early awareness and healthy habits are key to protecting your heart