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Blood Pressure Differential Signals Cardiovascular Risk

Posted on April 12, 2012, 6 a.m. in Blood Pressure Cardio-Vascular

Previously, researchers from the University of Exeter (United Kingdom) revealed that blood pressure differences between the left and right arm associate with peripheral vascular disease. In follow-up work, Christopher E Clark and colleagues examined data from 230 patients treated for hypertension at a rural general practice in Devon, England, who were followed for a median of 9.8 years.  Interarm systolic blood pressure differences of 10 to 15 mm Hg were associated with roughly three- to four-fold greater risks of cardiovascular and cerebrovascular events, cardiovascular mortality, all-cause mortality, and the combination of events and mortality. Submitting that: "Differences in systolic blood pressure between arms can predict an increased risk of cardiovascular events and all cause mortality over 10 years in people with  hypertension,” the study authors urge that: "This difference could be a valuable indicator of increased cardiovascular risk.”

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Christopher E Clark, Rod S Taylor, Angela C Shore, John L Campbell.  “The difference in blood pressure readings between arms and survival: primary care cohort study.”   BMJ, 20 March 2012.

  

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ANTI-AGING TIP OF THE DAY

Tip #167 - Snooze, Don’t Lose
Too little sleep compromises many of the body’s biological processes, most notably the immune system, metabolic function, and cognitive performance (specifically, learning and memory). Researchers from Beth Israel Deaconess Medical Center (Massachusetts, USA) reported that sleep is important for the development of episodic memories, and particularly those of an emotional nature. The team studied 88 college students, and found that those subjects who slept a full evening remembered the emotional scene they were shown in far greater detail, as compared to those participants who stayed awake for 12 hours after viewing the scene.

Defying the adage that ‘you snooze, you lose,’ sleep is a vital process that helps to preserve memories. Don’t underestimate the restorative role of sleep: while the amount of sleep required is highly individualized, it is critical to get sleep of a sufficient duration that is followed by a spontaneous awakening and leaves you feeling refreshed and alert for the day.

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