In America, 67 million adults are quietly living with high blood pressure—that’s one in every three adults. Approximately 30 percent of American adults have pre-hypertension—a condition that puts them at great risk of developing high blood pressure. It’s a practically invisible disease with a few subtle symptoms. And even after you’ve been diagnosed, it can seem pretty harmless and easy to ignore. But, if not properly cared for, its progressive effects can put you at risk for heart disease, stroke even kidney disease. What causes high blood pressure? Research shows that high salt and sodium intake plus low potassium intake—due…