Imagine having one device that not only can screen for mercury toxicity, but can also evaluate the health of teeth, screen for cavitations, and help determine the systemic impact of root canals. This valuable piece of equipment is known as an EAV device. EAV stands for Electro-Acupuncture According to Voll. Today, it is also sometimes calledElectro-Dermal Screening, or EDS.
Who invented this revolutionary device?