Grumpydaddy@lemmy.worldtoNo Stupid Questions@lemmy.world•How is it possible that roughly 50% of Americans can’t read above a 6th grade level and how are 21% just flat out illiterate?
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1 year agoundefined> schools clearly.
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undefined> schools clearly.
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Acid buildup in muscle tissue. Here is an article that explains what is happening:
https://www.pfizer.com/news/articles/science_fact_or_science_fiction_lactic_acid_buildup_causes_muscle_fatigue_and_soreness
Esit: I originally said that your.muscles are creating waste chemicals quicker than your bloodstream can handle causing those bad chemicals build up locally. While this is true in a broader sense, I think it is more nuanced that that. Reading the article should give a better explaination