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What Should Your Heart Rate Be When Running?

You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?
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Your resting heart rate can tell you a lot about your health. Here’s what your pulse should be at every age

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.