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a parasite zapper I designed outputs as much as 50 volts which most people can't turn up that high unfortunately. I believe no matter what the frequency or waveform that it takes a "shocking" amount of electricity to kill parasites
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This sounds cool but as you said yourself in past posts, your zapper does not work (or is poorly efficient) to kill parasitic worms in a human body (whatever the voltage/intensity). (if you have improved it and is know more efficient, please show us some proof of the killing, vague suggestions are easy every seller can make them)