Possible RFID-cancer link rattles market
Implanted RFID microchips may cause cancer, suggest several reports based on studies with rodents.
The chips, which are gaining popularity as a means of connecting lost pets with their owners, have been approved by the U.S. Food and Drug Administration for use in humans. VeriChip, which manufactures the technology, disputes any cancer link.
News that there may be a link between implanted RFID (radio frequency identification) chips and cancer in mice and rats sent VeriChip shares plunging by as much as 14 percent on Tuesday.
The company's troubles began over the weekend when results of three studies in the United States and Europe detailing the increased risk - which was found to range between 1 percent and 10 percent in rodents that received implanted chips - were published by the Associated Press.
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