150 years after scurvy had been cured, science forgot.
Well, not exactly. They thought they knew how to cure it, but they altered their practice to a method that didn't work. Turns out if you store lime juice in copper pots open to the air, the vitamin C goes away.
And it doesn't help if you don't know that vitamin C exists, and start suspecting that scurvy is caused by a bacteria.
It's scary how fragile our knowledge can be.
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