Average heart rates vary widely. During stress, the body releases hormones that trigger a “fight or flight” response. A person’s heart rate may increase and exceed 100 beats per minute (bpm).

A dangerous heart rate is when your heart is beating too slowly (bradycardia) or too quickly (tachycardia). An adult’s heartbeat is too slow once it's less than 60 bpm, and too fast once it's more ...

While we often focus on heart rate during exercise, our resting heart rate (RHR) provides valuable insights into the efficiency and overall health of our cardiovascular system. Measured when you are ...

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