Key points from article :
Risk of dying increases by around nine per cent for every extra 10 beats per minute
Independent of traditional risk factors of cardiovascular disease.
Meta-study of 46 studies involving 1.2 million people over 21 years.
Optimum pulse rate varies by sex and age but, in summary, to get into the excellent rating you need to be below 65 BPM.
The study was published in the Canadian Medical Association Journal.
