Even Slightly Elevated BP Carries Stroke Risk

the MPR take:

Hypertension is a known risk factor for stroke, but new research has concluded that prehypertension can also increase the risk of stroke. Data from 19 studies of 762,393 patients worldwide showed that individuals with elevated blood pressure that had not reached high levels (140/90mm Hg or above) were 66% more likely to have a stroke than those with normal blood pressure ( >120/80mm Hg). Prehypertension is considered to be between the normal and high ranges. Prehypertension in the lower range carried a 44% increased risk of stroke and prehypertension in the higher range had an increased risk of 95%. 

Even Slightly Elevated BP Carries Stroke Risk
Even Slightly Elevated BP Carries Stroke Risk
Researchers found that having so-called prehypertension was linked to a 66 percent increased risk of stroke. Blood pressure is measured using two numbers. Normal blood pressure is a systolic reading of less than 120 millimeters of mercury (mm Hg) and a diastolic reading of less than 80 mm Hg, ...

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