Terms that are frequently used in the knowledge pages are explained in the glossary. Many biological and medicinal terms are listed. This does not automatically mean that EMFs were a health problem. The connections between EMF, biology and health are shown in the topic pages.

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Gradual change of a normal cell into a malignant tumour.

cardio vascular changes

Physiological changes which affect the heart and the blood vessels.


CDMA (Code Division Multiple Access) ist ein Zugriffsverfahren in der Mobiltelefonie, das es ermöglicht, mehrere Benutzer gleichzeitig in demselben Frequenzband telefonieren zu lassen. Dazu wird jedem Benutzer ein Code zugewiesen, der die Informationen verschlüsselt. Mit Hilfe des Codes können aus dem Wirrwarr an einfallenden Signalen die für jeden Benutzer bestimmten Informationen wieder herausgefiltert werden.

Central Nervous System (CNS)

The central nervous system (CNS) encompasses the spinal cord and the brain as well as its covering membrane. All information from the body and the environment come together and are processed here, and then the reactions generated in the shape of movement, behaviour and organ activity form.

Cerebral oedema

Swelling of the brain tissue caused by an accumulation of fluid.


Threadlike structure of DNA and adjacent proteins (?packing?). A human being has 46 chromosomes that hold the genetic make-up (genome).

Cognitive performance

The abilities connected to perception and understanding (thinking, remembering, learning and judgement).


An area of genetics that deals with structures visible with an optical microscope, in particular chromosomes. Cytogenetic conspicuity portrays major changes of the genetic make-up which can belong to symptoms of serious diseases.