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A heart rate is the number of times the heart beats per minute.The heart rate changes throughout a personโ€™s life, according to their age, their fitness, and even whether they are frightened. This article examines normal resting heart rates, target heart rates with exercise, and investigates an abnormal heart rate.

  • 123456 Profile photo of Madelyn

    A wide range of normal, lower better to a point. My HR at night is 41