> It is generally accepted that all mammals have the same life span in number of heart beats. Please note that while there is some correlation it may not be st

> It is generally accepted that all mammals have the same life span in number of heart beats. Please note that while there is some correlation it may not be strict enough to suggest that lowering your own heart rate will help you live longer. http://skeptics.stackexchange.com/questions/5701/does-every-species-get-around-a-billion-heartbeats-on-average http://skeptics.stackexchange.com/questions/5701/does-every-...