Everything that we see as solid matter is in fact vibrating energy; physics has proven that.
So it is not astonishing that sounds, uttered by a human voice can have a very deep impact on all levels of our being.
The organs, the tissue, even metabolism and thought-structures do not only have their specific light, quantum as well as informational structures, part of this matrix is also a defined sequence of tones, intervals and vowels. For example backaches, stomach aches, neck pain and headaches also come about through a false coding, a mistake in the sound-structure, the sound-matrix of that part of the body.
The sound-codes that were rediscovered out of very ancient North-Indian sources are specifically working in those areas, where they are programmed to work.
Since this method seems to be such a simple uncomplicated one, these sound-codes are often times underestimated in their effects. Sound-Codes, as well as toning, if applied in the right way, are a very powerfull tools for healing in all areas of life.
As the old vedic wisdom used to say: " Nada Brahma " (The world is sound)