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Medical Minute: Salt bad for teens diet

A new study may give teens another reason to shake that salt out of their diets.
It has to do with how our cells age.

With more, here's ABC News Senior Medical contributor Dr. Timothy Johnson.

We get a lot of salt in our food these days, and almost all of us get too much.
But a new study suggests that this may have particularly serious implications for some teens specifically, those who are overweight or obese.

This, according to research presented at the joint meeting of the American Heart Association and the American Stroke Association a study of more than 700 teens who happened to be on the heavy side.

Researchers found that teens in this group who overdid it on the salt had faster cell aging. It was not the kind of aging that would have them developing wrinkles before our very eyes but it was the kind that could accelerate their risk of developing heart disease and other serious problems.

Fortunately, there are easy ways for teens to dodge this salty bullet.  Saying no to those potato chips - and opting for an apple instead - may not be a bad way to start.