Tag Archives: sodium

Salt Intake in Chronic Kidney Diease

How much salt people should eat continues to be a murky issue. A paper in the February 2017 issue of the American Journal of Kidney Diseases examines the issue of salt (actually sodium) intake on the prevention of cardiovascular disease in patients with chronic kidney diseases (CKD) stages 2-4. It is a commentary on an…


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Salt, Science, and Politics

Salt is in the news again. Thomas Frieden the head of the CDC published an article in the JAMA innocuously titled Sodium Reduction—Saving Lives by Putting Choice Into Consumers’ Hands. It more closely resembles propaganda than science. It argues that reducing dietary sodium intake to 1200 mg/day or less will lower the incidence of hypertension…


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Report of the Dietary Guidelines Committee

The Scientific Report of the 2015 Dietary Guidelines Advisory Committee  has just been released. At 571 pages it is a mind boggling compendium of recommendations and data that go far beyond diet alone. It’s useful as a source of information concerning almost every aspect of American life remotely connected with food and health. You want…


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Licorice and Hypokalemia

I’ve been asked about licorice and hypokalemia. So here’s the short answer. The adrenal cortex make two classes of steroids – glucocorticoids (cortisol) and mineralocorticoids (aldosterone). Steroid hormones initiate their effect by activating an intracellular receptor. I’ll limit my discussion to the effect of aldosterone on the principal cell of the cortical collecting tubule. There…


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