Hypertension, not only salt but also sugar
Reduce consumption of sweetened beverages (soft drinks, fruit juices with added sugar) reduces blood pressure, according to a study published in the journal Circulation.
Dr. Liwei Chen at Louisiana State University and colleagues analyzed data on 810 people aged 25-79 who for 18 months, were intended to lose weight and reduce their blood pressure by exercising and following a healthy diet. At baseline they drank on average one third of a liter of sweetened beverages per day. They have reduced this amount by half.
This reduction was accompanied by a decrease in blood pressure. After taking into account the usual factors of risk of hypertension, a decrease of consumption per day was associated with a decrease of 1.8 points in systolic blood pressure (top number reading) and 1.1 mm the diastolic (bottom number) over a period of 18 months.
Although weight loss accounted for a portion of the decrease in blood pressure, decreased consumption of sweetened beverages exerted an independent effect, the researchers said. This effect could be explained by the sodium (salt) often contained in large quantities in these drinks. Sugar may also increase the levels of catecholamine hormones that can increase blood pressure. The corn syrup high fructose also increases levels of uric acid, Bakri says George of the University of Chicago, president of the American Society of Hypertension, which has been linked to increased blood pressure .
Previous studies have linked soft drinks to obesity, type 2 diabetes and metabolic syndrome. A study, published this month, also showed that the. sugar influences the levels of cholesterol.
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Tags: blood pressure, fruit juices, soft drinks, sugar, sweetened beverages