VIDEO: The Clean Air Act was passed in 1970, and current regulations are based on an amended version passed in 1990. The legislation enabled federal and state authorities to establish comprehensive regulations for air pollutants. SaveOnEnergy, an online energy marketplace, came up with images showing the worst case scenario without proper regulation.

If you suffer from upset stomach, insomnia, and anxiety, it may be because you've been breathing wrong. Psychologist and author of "Breathe", Dr. Belisa Vranich explains how we came to learn to breathe like this, and why breathing correctly could help us all.