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Heart Rate Variability

Thinking about your health means understanding your heart health, and paying attention to measures like cholesterol, blood pressure, and triglycerides. There is one more to add to the list: heart rate variability.

“Heart rate variability is the variation in the time between each heart beat,” explains John P. Higgins, MD, MBA, a sports cardiologist at McGovern Medical School at the University of Texas Health Science Center at Houston. This is different than your heart rate, which is measured by the number of times your heart beats per minute. And unlike your heart rate, which you can calculate by counting your pulse, heart rate variability is measured at the doctor’s office with an electrocardiogram (ECG or EKG) test that records the electrical activity of your heart.

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Pick Up the Pace!

According to a new study, healthy adults who are slow walkers are twice as likely to die from heart disease as those of us who walk at a more brisk pace. “This suggests that habitual walking pace is an independent predictor of heart-related death,” lead author Professor Tom Yates said.

Researchers from the University of Leicester followed 420,727 people over a period of six years to assess death rates.  Those who were slow walkers were found to be between 1.8 and 2.4 times more likely to die of heart disease – which is the world’s biggest killer – during the timeframe.

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