Final answer:
Hypertension, also known as high blood pressure, is a chronic condition with blood pressure readings above 140/90 mm Hg. It is often symptomless, earning it the name "silent killer". Risk factors include lifestyle choices such as poor nutrition and lack of exercise, and interventions include lifestyle changes and medications if needed.
Step-by-step explanation:
Hypertension, also known as high blood pressure, is defined as chronic and persistent blood pressure measurements of 140/90 mm Hg or above. It is considered a silent disorder because it often does not have any symptoms, earning it the nickname 'silent killer'. The most important risk factor for hypertension is a combination of lifestyle factors such as obesity, poor nutrition, lack of physical activity, and tobacco use. The interventions for hypertension include lifestyle changes like reducing salt intake and adopting a healthier diet, as well as medications if necessary.