Amazon.com description: Product Description: High blood pressure is the most common chronic medical condition in developed countries, and around 5 per cent of the adult population have moderate or severe hypertension. As hypertension is the most important risk factor for stroke and one of the three major risk factors for coronary heart disease, its impact on patients' health is considerable. This concise and simplified text includes all of the pertinent information needed to make rational and effective decisions on both diagnosis and management.