According to the study, which was presented at the American Heart Association conference in San Francisco, excess sodium can increase the rate of aging and the risk of heart disease, especially when excess weight - the newspaper writes TIME.
In adolescents are overweight, have reported an increased sodium intake as a result of research, it was observed that they had telomeres - the protective ends of chromosomes - is significantly shorter than that of their peers with the same weight, but with a lower sodium intake.
"Reducing sodium intake, especially when excess weight can slow the cellular aging process, which plays an important role in the development of heart disease" - said Haidong Zhu, author of the study and associate professor of Pediatrics of the Medical College of Georgia, said in a statement.
The study divided the more than seven hundred teens into groups with low and high levels of sodium intake - although in both groups reported consuming significantly larger amount of sodium than recommended by the American Heart Association.
Adolescents with moderate weight and high in sodium content had shortened telomeres.
"To reduce their consumption of sodium in the diet - it is easier than to lose kilos for overweight people, if they want to reduce the risk of heart disease" - said Zhu in a statement.
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