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I've suspected the Ascaris are pushing up against veins in my back leading to a slowing of blood flow and a bit of pressure
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Close...you have Dwarf Tapeworms blocking your bile duct and causing your liver to swell push does lessen blood flow.
It is not the one that DNA is available for, it is the same one as I used to have and narrowed down in my Jaundice_Obstructive script.
Will upload the scriipt now...
BTW: You can't beat this until you remove some of the Lead that they eat...