Blood Pressure: A Moving Target

In a press release this past weekend, the National Institute of Health released preliminary results of the SPRINT Study (Systolic Blood Pressure Intervention Trial) sponsored by the National Heart, Lung, and Blood Institute. It reported that lowering the target systolic blood pressure (SBP) from 140 mm Hg to 120 mm Hg in people over 50 years old significantly reduced the death rate and cardiovascular events such as heart attacks and strokes.

The subjects were recruited from 102 clinical centers throughout the U.S. (1). The conditions for inclusion in the trial were that men and women must be 50 or . . .

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