Aerobic exercise makes your heart pump faster, but an overworking heart actually makes you die faster. So is aerobic exercise helpful or harmful to your body?
In: Biology
It all depends on the duration. Making your heart pumping faster strengthens it which makes it slower on the long run (stronger heart can pump stronger so it can move more blood with less pumps). A good measurement of how fit you are is your pulse. An average person has around 70 beats/min but a trained individual can have around 40 beats/min. And the stronger your heart the healthier you are (to a degree. In the 90’s there were a huge problem among cyclists who used steroids or other enhancing supplements that their pulse could go under 12 beats/min while sleeping where they had to get up and exercise or they could’ve die from low blood pressure). But if your heart is under a constant rate of working harder than it needs to be can end in serious problems. Just like lifting weights is good for your arms but holding a heavy weight for hours or days will eventually cause serious damage in the muscle.
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