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NIH-supported study could lead to better approaches for treating insomnia, other sleep disorders Scientists have identified differences in a group of genes they say might help explain why some people need a lot more sleep—and others less—than most. The study, conducted using fruit fly populations bred to model natural variations in human sleep patt...
Photo of blood pressure monitor on a person's arm
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Research Feature
Health experts are calling the recent release of new blood pressure guidelines a major step toward helping Americans reduce their risk of heart disease, the leading cause of U.S. deaths. Developed jointly by the American Heart Association (AHA) and the American College of Cardiology (ACC), the guidelines now define hypertension as a systolic blood...
Patient's arm with blood pressure instrument attached.
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Research Feature
Q1: What is the significance of the systolic number in a 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. For example, a reading might be presented as 120/80 millimeters of mercury (mm Hg). Systolic pressure , the top nu...
Patient having blood pressure taken by medical professional.
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Research Feature
OVERVIEW Purpose: The purpose of the study was to determine whether treating blood pressure to a target systolic pressure of less than 120 mm Hg is superior to treating to less than 140 mm Hg, which was the commonly recommended target at the time that the SPRINT trial was conducted . Background: High blood pressure is a major public health problem...
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...