A cup a day of beans, chickpeas, or lentils for three months may slow resting heart rate as much as exercising for 250 hours on a treadmill. The accumulated weight of evidence linking elevated resting heart rate to a shortened lifespan—even in apparently healthy individuals—makes a strong case for it to be considered in the assessment of risk. It’s got strong advantages. Taking one’s pulse is cheap, takes little time, it’s understandable to people, and it’s something everyone can do, at home, to measure their progress to become an active participant in their own health management….