1.一項新的研究顯示，想讓心髒變得更健康，除了要減少飲食中鈉的攝入之外，美國人還應該增加一種重要礦物質的攝入，這就是許多果蔬中都含有的鉀元素。
A new research shows that, for healthier hearts, besides less consumption of sodium, Americans should also increase the intake of another important mineral, potassium, which can be found in many fruits and vegetables.
2.鈉是鹽的重要成分，有跡象表明它會使血壓升高，進而增加心髒病發作的風險，但至於高鈉飲食是否真的會增加心髒相關疾病發作的風險，各種研究結果卻是說法不一。
Even though several evidences have indicated that sodium, an important constituent of salt, may elevate blood pressure and increase the risk of heart attack, no consensus has been reached so far with regard to the real connection between high-sodium diet and higher risk of heart attacks.
