The lifespan of mammals is about 1 and a half billion heartbeats.
20 minutes after smoking a cigarette, blood pressure drops to normal.
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
Although men ARE more likely to suffer heart attacks, women are more likely to die within a year from having a heart attack.
Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.