Breath: The New Science of a Lost Art
“It turned out that the most efficient breathing rhythm occurred when both the length of respirations and total breaths per minute were locked in to a spooky symmetry: 5.5-second inhales followed by 5.5-second exhales, which works out almost exactly to 5.5 breaths a minute”
Chew more to grow more bones in your face. This helps to clear our airways. And makes us look younger.