Endorphins regulate the perception of pain and hunger and releases sometimes euphoria. Who got problems with pains, for example, can use the endorphins to alleviate these, so this frequenciesis very pain-killing. Thus, this MP3 is an excellent pain reliever.
This MP3 includes only pure frequencies in which noise has been added, without music and additional tones.
This MP3 is equally suitable for beginners and advanced.