If your blood pressure is difficult to control in spite of multiple medications, especially if your blood potassium is low, you may be one of the millions of people who have primary aldosteronism but have not been correctly diagnosed or treated. People with this condition have about six times the risk of a heart attack as someone with the same blood pressure from primary hypertension. Fortunately, effective surgical and medical treatments exist to control and reduce the risks of this condition for most people. Janet Walberg Rankin, Ph.D. wrote the book she would have wanted when she developed...