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Teens Urged To Cut Down Salt Intake To Prevent Future Heart Risk
Conducting a sophisticated computer modeling analysis, researchers projected the nationwide health effects of a 3-gram reduction in dietary salt from processed foods consumed by adolescent boys and girls.
Teenagers eat more salt each day - more than 9 grams (3,800 milligrams of sodium) - than any other age group, researchers said. The American Heart Association recommends no more than 1,500 milligrams of sodium per day for most Americans.
By reducing the salt teenagers eat each day by 3 grams, researchers projected through modeling a 44 percent to 63 percent (380,000 to 550,000) decrease in the number of hypertensive teenagers and young adults. They estimated a 30 percent to 43 percent decrease (2.7 to 3.9 million) in the number of hypertensives at ages 35 to 50.
"Reducing the amount of salt that is already added to the food that we eat could mean that teenagers live many more years free of hypertension," said Kirsten Bibbins-Domingo, lead author of the study and associate professor of medicine and epidemiology at the University of California, San Francisco.
"The additional benefit of lowering salt consumption early is that we can hopefully change the expectations of how food should taste, ideally to something slightly less salty."
A one-gram-per-day reduction in salt consumption results in a small drop of systolic blood pressure of 0.8 mm Hg, she said.
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