• Brief historical note
• Basic principles of DENAS-therapy
• What is necessary to know before starting to use apparatuses
• Nervous system and principles of apparatus operation
• Efficiency of apparatuses
• Difference between apparatus DENAS and other electric therapeutic devices
• Effects caused in human body by application of apparatuses of DENS-THERAPY
• Indications to DENAS-therapy
• Contraindications to DENAS-therapy
• Clinical trials

The following contraindications exist while using DENAS apparatus by persons without medical education:

1. presence of artificial heart pacemaker;
2. the first month of pregnancy;
3. self-aid in alcoholic intoxication;
4. individual intolerance.

While using the apparatus by persons with special medical education all the contraindications are relative except the necessity of urgent operative intervention.