Hemochromatosis is one, I was suspected to have it when I was younger and regular blood donations was an effective way to reduce my blood iron. Turns out I don'

Hemochromatosis is one, I was suspected to have it when I was younger and regular blood donations was an effective way to reduce my blood iron. Turns out I don't actually have the condition (it's genetic and doesn't go away as you age, whereas my extremely high iron resolved on its own), but I'm not mad about it, just a change I've welcomed.