A group of researchers at Qingdao University in China found that high heart rate may be tied to risk of early death. Scientists explained that the faster your hearts beats are, the higher the risk of dying from all causes is.
To be more precise, mortality risk rises by nine percent for every additional 10 heart beats per minute, while risk of having a heart attack or stroke is eight percent higher by every extra 10 heart beats per minute.
The research team found that people with a heart rate in resting state of 80 beats per minute have a 45 percent risk of dying of any disease in the next two decades than people with 45 beats per minute (bpm).
Chinese scientists believe that the heart rate may be used as a ‘death test’ if you are curious to learn how likely it is for you to die in the next 20 years.
The recent research confirms previous findings that people with low heart rate are healthier and may live longer than their peers with a higher number of heart beats per minute. But it is the first time a research team was able to attach some numbers to that statement.
Dr Dongfeng Zhang, the lead author of the study, explained that a high resting heart rate may signal a poor health status. Most people’s hearts have between 60 and 100 bpm, while athletes’ heart rate is somewhere at 40 bpm.
Dr. Zhang noted that high heart rate is not a traditional risk factor for cardiovascular disease mortality, but it can be used as a marker to assess this risk in general population.
In their research, scientists sifted through 46 studies on more than 1 million people who were tracked for over two decades. Of these people, 78,349 died before the studies ended. About 25,800 of them died of cardiovascular disease.
Researchers found an association between resting heart rate and risk of premature death. They explained that around 90 bpm the risk of cardiovascular death nearly doubles. Study authors recommend measuring our heart rhythm at night when the body gets ready for sleep.
Dr. Zhang also suggested keeping an eye on heart rate for an optimal health and engaging in physical activity to keep heart beats within a healthy range. The team hopes that the findings may help clinicians develop tests that can assess their patients’ risk of premature death. People with high heart rate are also advised to pay their GPs a visit.
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