New research is suggesting that a rapid "resting" heartbeat could mean you have a higher risk of dying early.
"Higher resting heart rate is an independent predictor of all-cause and cardiovascular death," said lead researcher Dr. Dongfeng Zhang, of the department of epidemiology at the Medical College of Qingdao University in Shandong, China.
Your resting heart rate, or pulse, is the number of times your heart beats a minute. When you are seated or lying down and relaxed, a normal heart rate is between 60 and 100 beats a minute, according to the American Heart Association.
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