High blood pressure is the most powerful and frequent risk factor behind strokes (1-4), far ahead of diabetes, high cholesterol, smoking, sleep apnea syndrome, hyperhomocysteinemia and inflammatory syndrome.In addition, the first target of hypertension is the brain, in front of the myocardium and the peripheral arteries, while antihypertensive treatment has, as first target, the cerebral vessels, with a very strong reduction in the risk of occurrence of new stroke. or recurrent (4).Hypertension is above all the most modifiable vascular risk factor, with a remarkable level of scientific evidence, but an impact in terms of public health practice which can be further improved. THE BASICS OF THIS MODIFIABLE EQUATION Several facts…