Researchers at Vanderbilt University are looking into serious health issues that could result from consuming too much salt. Doctor Annet Kirabo says she and her team have found that sodium can increase inflammation, activating immune system cells. The study is taking a closer look at the mechanics behind how high-sodium diets lead to increased risk of hypertension, heart attack, and stroke. The American Heart Association recommends only 15-hundred milligrams of sodium per day