Medical science says that each one of us is born with a certain number of total heartbeats and when we reach that number the heart stops beating. On an average, the human heart has the ability to beat 2.5 billion times. If the average resting heart rate is 72 beats per minute, then we would all die when we’re about 66. So if you accept the premise that the heart is born with a certain number of beats, post which is death, but you want to live longer, you must work to lower the resting heart rate to below 72.

