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The Key to Fitness is Advancing to the Next Level
Our caveman ancestors had to be ready to run from a predator or chase after prey at a moment’s notice. They needed a strong heart and lungs to generate lots of power very quickly in order to survive.
In modern times, you don’t have to run from predators but you do need to have access to that extra power if you are being chased by someone or if you need to make a quick getaway.
So when it comes to exercise, it’s a good idea to build and strengthen your high-energy output system. You make sure your heart and lungs have the ability to generate lots of power very quickly — just in case.
Having quick access to extra power is what our ancient ancestors built and maintained naturally in their native environment. But it’s lacking in our modern world.
