Age modifies impact of resting heart rate on death, CV event
The effect of resting heart rate (RHR) on all-cause mortality and cardiovascular events varies with age, according to a study published online Dec. 30 in the Journal of the American Geriatrics Society.

Kuibao Li, M.D., from Capital Medical University in Beijing, and colleagues conducted a prospective cohort study involving 6,209 individuals aged 40 years and older without cardiovascular disease at baseline. Participants were interviewed in 1991 using a standard questionnaire to obtain information on demographics, medical history, and lifestyle risk factors. RHR was categorized according to quartiles.