Hypertension is the biggest cause of death and disability in the world, yet it remains underdiagnosed, undertreated and, in many cases, poorly controlled. As in the previous edition, 'Fast Facts: Hypertension' advises on: • accurate measurement of blood pressure and problems such as 'white-coat' hypertension • routine assessments for people with high blood pressure • other modifiable risk factors (smoking, high cholesterol levels etc.) and other.