Life expectancy has been declining in North America over the past 4 years in a row, largely due to non-communicable diseases such as high blood pressure, heart attacks and strokes. The impact of COVID-19 is not yet included in these statistics. This is despite of all of the improvements in medicine. If I had a magic wand and could change one thing that would reverse this trend, it would be a 40% reduction of the salt intake in the population. This...