High Heart Rate at Rest Signals Higher Risk of Death
A rate at rest of between 60 and 100 beats per minute is considered normal.People who are very physically active tend to have a low heart rate at rest,but few doctors wanted to find out if heart rate had any bearing on an individual's risk of(1) d____,irrespective of their level of fitness.
They therefore tracked the health of just under 3000 men for 30 years,all of whom were part of the Copenhagen Male Study.This was set up in 1970-1971 to monitor the cardiovascular (A) h____ of middle aged men.
2013-11-15（万方平台首次上网日期，不代表论文的发表时间）
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