The use of Healing Frequencies have become a bit of a lost art. They have been used for centuries by ancient advanced cultures. The science behind this is altering brain waves by a process called "brainwave entertainment". There are multiple avenues now to get these frequencies, and I have reviewed three. The top is Wholetones, where I go in depth into the product, where you can find it, how to order, and a bit more into the science. I believe that once the word spreads more about frequency healing, that the possibilities will be endless what advancements can come from it.