Here is a
video from Dr. Mercola's website that sheds
a little more light on the CEDS. The
description about the video says:
In this video,
Dr. William LaValley talks with Dr. Mercola about the
appropriate use of electrodermal screening. This excellent
tool can be used to create a homeopathic prescription to
stabilize and balance your body’s energy (or chi). It can
work much like traditional acupuncture to improve your
health.