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Patient's arm with blood pressure instrument attached.
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Research Feature
Q: What is the significance of the systolic number in the blood pressure reading? A: A blood pressure reading involves two numbers, one over the other. The top number is the systolic number and the bottom number is the diastolic number. So it is presented as 120/80 millimeters of mercury (mm Hg) for example. Systolic pressure is the pressure on the...
Patient having blood pressure taken by medical professional.
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Research Feature
OVERVIEW Purpose: To determine whether treating blood pressure to a target systolic pressure of <120 mm Hg is superior to treating to the commonly recommended target of <140 mm Hg . Background: High blood pressure is a major public health problem because it is highly prevalent, affecting 1 in 3 American adults, and is an important risk factor for h...
A person's sleep pattern is being charted out.
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Research Feature
Might lead to better understanding of sleep disorders, heart disease, and more If you feel energized or tired around the same time each day, or routinely get up early or stay up late—the familiar ‘early riser’ or ‘night owl’ syndrome—you are witnessing, in real time, your circadian rhythm at work. That’s the 24-hour internal body clock which contro...
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Contact

Email nhlbi_news@nhlbi.nih.gov or call 301-496-5449 and ask for the press officer on duty.

Paper accepted? Alert OSPEEC!