And you know, Neil Armstrong never said this. Then, should we believe this concept? Is there any backing for this quote that research can prove. Of course yes. According to a new research published by a team of Danish researchers in the journal BMJ Heart, there is quite an evidence to prove the strong positive correlation between resting heart rate (RHR) and mortality. Has the time come for you to keep track of your pulse until you have used all your allocated pulse? Should you immediately stop exercising in order to calm down your pulse?