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Health by the numbers
People with fluctuating numbers — like blood pressure, cholesterol, and weight — may be at higher risk of heart attack, stroke, and even death.
Image: © RapidEye/Getty Images
Most people battle "yo-yoing" at some point, when their weight, blood pressure, or some other health number keeps going up and down.
On the surface, this may not seem like a problem if you routinely hit the healthy numbers. Yet new research suggests that fluctuations like this may pose a greater health risk than staying at a single level, even if it's not a perfect one.
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