Pardon my ignorance, but if someone was infected with a parasitic worm, what is the difference (besides the obvious) between using a zapper for x amount of time vs giving yourself a good blast with an 8 million volt stun gun to try to kill the parasite? Is it the way the electricity is delivered? I'm lost with all this talk of frequencies and what not. Why wouldn't a good blast kill them off? If it is strong enough to make a human pee their pants and make a 300lb man cry, you'd think it would be enough to electrocute some Ascaris worms?