• Sneezycat@sopuli.xyz
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    6 months ago

    Let’s do the math…

    You can donate three times a year to the red cross (once every 112 days). According to some page, you donate around 10% of your blood volume each time.

    That means, for a volume equivalent of 300 people, you’d need to donate 3000 times, which would take around 1000 years.

    The vampire is going to need more people, or to keep a person alive 1000 years with vampire magic.

    • kernelle@lemmy.world
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      6 months ago

      When you’re harvesting the blood iron of your enemies you don’t have time for ethics. A controlled study managed 4 weeks within ethical boundaries, maybe we can cut that in half unethically. So 14 days, 3000 . 14 = 115 years. So when you torture two people, you could manage to do 58 years. Better start early!

    • ColeSloth@discuss.tchncs.de
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      6 months ago

      You’re off on blood production. “Safe” would be once every six to eight weeks for a pint. Plasma can be taken a lot more often. The red blood cells take a while to replenish.

      But let’s get real. You’re not concerned about your enemy feeling well. Force them to take iron supplements and take a pint every other week. They’ll likely stay alive that way. Fuck em, right?

    • variants@possumpat.io
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      6 months ago

      But remember they are your enemy so you could drain a bit more blood more often to shave a few years off maybe