Resting heartrate variability in man declines with age.
The heartrate variability under resting conditions of 14 normal male subjects, age range 22--63 years, declined with increasing age. Mean heartrate did not show age-dependant changes.
D000328:Adult; D000375:Aging; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged