While I can grasp the idea that low blood sugar means “low immediate energy supply”, how come that too much sugar in the blood can cause harm?
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Super basic explanation ( note not exactly how it works but sorta) : It’s kinda sort of like sand paper to blood vessels and kidneys. It can narrow the vessels and clog things up, especially in the much smaller vessels, which can damage them over time. Think of it like If you make sweet tea or another sugary drink with too much sugar and it gets thicker and syrupy and can clog up small straws over time.
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