Response to 12 Body Hacks To Make Your Life Easier:
About number 9. “Nervous? Slow your heart rate down by blowing on your thumb.” an it’s response “Since the thumb has a pulse of its own, if you can calm it down, you’re effectively calming the heart down, too.”.
The thumb doen’st have a pulse of it’s own, is just a reflex of the radial pulse, it works because you make something called a valsalva maneuver that slows the heart.
THIS is Medellin, Colombia.. And it’s awesome every year