I am twenty years old

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I am twenty years old.
Tour organized in cooperation with Turnenetvrket and Scenkonst Srmland

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Tour organized in cooperation with Turnenetvrket and Scenkonst Sormland.
This hormone plays a pivotal role when it comes to the production of HGH or human growth hormone

Can you repeat this sentence, but add in punctuation?
This hormone plays a pivotal role when it comes to the production of HGH or human growth hormone.