Increased sodium intake was not associated with higher risk of mortality over the course of 10 years in Medicare patients, Andreas P. Kalogeropoulos, MD, MPH, PhD, of Emory University, and colleagues reported in JAMA Internal Medicine.
"There's been a lot of controversy recently about the appropriate dietary sodium intake," Scott Hummel, MD, of the University of Michigan, said in an interview. "Low sodium content in the diet might increase the levels of aldosterone and catecholamines and other so-called neurohormones that might contribute to cardiovascular damage."
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