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A comment on How exercise in old age prevents the immune system from declining. Parent comment

Re:How exercise in old age prevents the immune system from d... by dominotw on Friday March 09, 2018 @08:29AM (#16551551)
> garbage in your system

What precisely is this?

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Re:How exercise in old age prevents the immune system from d... by rimliu on Friday March 09, 2018 @09:13AM (#16551836)
Garbage statement. Your body is not an incinerator. Kidneys and liver take care of the garbage.
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Re:How exercise in old age prevents the immune system from d... by OldSchoolJohnny on Friday March 09, 2018 @10:36AM (#16552425)
Lymphatic system, which operates during movement.
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