More U.S. Kids May Be at Risk for High Blood Pressure

Study looked at rise in body fat, waist size and salt intake over 13-year period

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"High blood pressure is dangerous in part because many people don't know they have it," he added. "It's a very sneaky thing. Blood pressure has to be measured regularly to keep on top of it."

High blood pressure accounts for some 350,000 preventable deaths each year in the United States, the researchers noted.

More information

To find out more about hypertension in children, visit the Nemours Foundation.

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