All forms of heart failure can be cruelly sneaky. For about a quarter of victims the first (and, more unfortunately, last) time they know they have a heart problem is when they suffer a fatal heart attack.13 No less appallingly, more than half of all first heart attacks (fatal or otherwise) occur in people who are fit and healthy and have no known obvious risks. They don’t smoke or drink to excess, are not seriously overweight, and do not have chronically high blood pressure or even bad cholesterol readings, but they get a heart attack anyway. Living a virtuous life doesn’t guarantee that you
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