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Discussion » Questions » Science and Technology » How many molecules are still in your body since you were five years old?
Kittigate

How many molecules are still in your body since you were five years old?

Keeping those old molecules around for too long is what makes you look old.

Posted - November 19, 2019
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Responses


  • 5391
    As I understand the science of it, we cycle out and replace all of our cells about every 7 years or so. So for me, none, since I was 12. 
      November 19, 2019 5:35 PM MST
    2

  • 46117
    350
      November 19, 2019 6:12 PM MST
    2

  • 32693
    Just those in the brain. 

    Billions of neurotransmitter molecules in the brain. 

    And yes, they do trigger aging. 
      November 19, 2019 6:36 PM MST
    2

  • 7280
    Someone just shouted that a recount should be demanded---if I heard them correctly.
      November 19, 2019 7:09 PM MST
    3

  • 44231
    All of my scar molecules are still around. Most of my brain molecules are gone.
      November 20, 2019 5:53 PM MST
    1