Among the findings:
• A modest reduction in salt intake for four or more weeks lowered systolic pressure (the top number) by an average of 5mm Hg (millimeters of mercury). Blood pressure reductions from reduced salt intake were greater in people with hypertension.
• Reduced salt intake did not have adverse effects on cholesterol or renal function.
• Increased potassium intake also helped lower blood pressure.
An estimated 2.5 million deaths could be prevented each year worldwide by cutting salt intake in half, says Graham MacGregor, the senior author on one of the research papers and professor of cardiovascular medicine at Barts and London School of Medicine. He's also chairman of World Action on Salt and Health.
Read more: http://www.usatoday.com/story/news/nation/2013/04/04/salt-blood-pressure/2053687/
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