9 Reasons Your Heart Is Racing—That Are Completely Normal

Why is my heart racing?

Considering the incredible job your heart does—keeping you alive, no less, by pumping blood to provide your body with the oxygen and nutrients it needs—you probably don’t often think about how hard it works every second of the day. To be precise, your heart beats anything from 60 to 100 beats a minute. (That’s between 86,400 and 144,00 beats a day.) If your heart beats more than 100 times per minute, it’s known as tachycardia. It might sound serious, but it’s unlikely to be a sign of a heart attack. Here are nine more probable reasons your heart is racing.

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