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SEARCH THE WEB for a parasite zapper, a device that is supposed to rid the body of pesky parasites, and you'll likely get over 10,000 hits. Or try shopping for a zapper on Amazon and you'll find a couple pages of various devices with names like The Ultimate Zapper, SyncroZap, Harmonic Quad Zapper, and Auto Zap 5, ranging in price from $60 to nearly $600.
These useless devices, part of a long line of electrically-based quackery, trace their modern roots to Hulda Clark. She earned a Ph.D. in animal physiology ( University of Minnesota ) and a Naturopathic Degree from a now-defunct learn-by-mail school. She initially claimed zappers work by electrocuting parasites, the "true" cause of almost every human disease including HIV/Aids, cancer, and even Alzheimer. She also assured folks that zappers also work on pets and you can use them on fruits and vegetables to ensure you aren't ingesting those any parasites.
Zapper backers and companies selling them claimed the devices worked because, as everyone knows, electricity can kill living things. To quote one zapper site,...