"Parasite Zapping and the Zapper" highlights the 260 year old practice of using electricity for the purposes of fighting disease and illness and the suppression of the topic by the medical industry. It provides an insight into some of the capabilities and potentials for use in improving quality of life and in some cases actually providing life saving technology. Included, are not only instructions for using these products, but basic comparison of various models and brands that are currently available. Suggestions for what to do and what not to do are a helpful addition and the short history of the use of electricity in healing provides the reader with a good background on the topic for further research. You also might like: https: //www.amazon.com/dp/1657783219