High blood pressure often is accompanied by kidney damage. In some the kidney damage is subsequent to the high blood pressure but in others the kidney damage is what caused the high blood pressure. Would a low salt diet enable you to determine whether the high blood pressure or the kidney damage came first?
The renin-angiotensin-aldosterone system can be inhibited to reduce high blood pressure. Usually, the angiotensin-converting enzyme is inhibited by drug therapy. Why would this enzyme be the most effective point to disrupt the system?