We all know that exercise is good for our heart.
What we didn’t know is how and why endurance exercise causes your heart to grow larger and work better in response to the increased pressure and volume.
This reduction in C/EBPβ kickstarts a genetic program which results in the hypertrophy and proliferation of cardiac muscle.
Ergo, endurance exercise re-builds your heart.
Kind of like the Grinch at Christmas.