Salt enriched with potassium reduces cardiovascular mortality in older menBMJ 2006; 333 doi: https://doi.org/10.1136/bmj.333.7557.0-e (Published 29 June 2006) Cite this as: BMJ 2006;333:0-e
Research question Does switching to salt enriched with potassium reduce mortality in older men?
Answer Potassium enriched salt reduced cardiovascular mortality, but not all cause mortality, among men living in a retirement home in Taiwan.
Why did the authors do the study? We already know that cutting down on dietary sodium can reduce blood pressure, and some evidence shows that extra dietary potassium can also lower blood pressure and help prevent strokes. These authors wanted to find out the effects of both dietary changes together in a group of older men. They were particularly interested in mortality, which has not been studied before.
What did they do? They chose to …