Music has become such an ever-present influence in our daily lives, we seldom stop to consider what effect it has on us. Man has changed over the last 100 years from being music makers to music consumers. We gradually lost control over, and even awareness of, our auditory environment. In what way is music beneficial to our bodies and minds? Can it actually be harmful? Scientific research provides some astounding answers to such questions—indeed, facts that must not be ignored.