Is it bad to have anemia and what should I do to cure it. ?

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I’m currently took a blood test and that how they saw I’m low on red cells and have anemia. She told me that I can take another test to see if is genetic or what’s causing it. But that’s until Thursday, right now I’m try to eat red meats and buy iron pills. But can I die? Or have cancer? And not know it? :(
Is it bad to have anemia and what should I do to cure it. ?
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