Strength training reduces your risk of early death by 15%. Pair that with consistent cardio and that number jumps to a massive 40% protection. That is a massive biological shift your body takes seriously.
Cardio training forces your heart rate up, expands your blood vessels, and makes your entire cardiovascular system highly efficient. It sends the clear message that your heart needs to stay young and capable. This is not optional.
If you skip the cardio long enough, your vessels narrow and your heart becomes less efficient. No amount of lifting or muscle mass can compensate for a failing engine.
You can look strong on the outside and still have a weak system underneath it all.
Your biological repair queue cannot fix a neglected heart with a pill or an injection.
