India, April 23 -- The resting heart rate, or the number of times the heart beats per minute while the body is at rest, conveys more information than one usually realises.

According to Dr Vassily Eliopoulos, a longevity expert trained at Cornell University and co-founder and chief medical officer of Longevity Health, it is one of the most information-dense metrics, reflecting cardiovascular efficiency, nervous system recovery, mitochondrial health, and inflammatory load in a single number.

The issue, he believes, is the wide range of 60 to 100 bpm (beats per minute) that is considered to be normal. This means that even when a person notices an elevated resting heart rate, he does not think much about it as long as it falls within the ra...