The Energy detection rods pick up on your electro-magnetic energy and establish a link between you and  your body’s innate intelligence. These copper rods assist you in testing for compatibility of specific foods, supplements as well as medications on your own energy in that they either increase or decrease your life force. They also measure the effect of your own as well as others, attitudes, thoughts and feelings on your own energy, enabling you to identify those situations which are toxic and therefore an energy-drain on you!