Why does cardio improve heart health and not worsen it

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Hello,
When I do cardio my heart rate climbs twice to about 150-160bpm. People say that it’s actually good for your health and well being of heart. How does making the heart work twice as fast help it instead of hurting it?

In: R7 (Search First)

8 Answers

Anonymous 0 Comments

You do big run. Heart also go boom boom. Heart realizes it’s out of shape, so it goes boom boom harder the more you run. Eventually heart get stronger, circulate more blood each pump, and boom boom less.

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