Toxins are everywhere these days. Just recently I heard on the radio about how driving on the freeway can expose you to a very significant amount of toxins. This is due to the gasoline and exhaust, particles from the break pads, etc. However, if the windows are closed and the air conditioning is put on circulation, the amount of air pollution on the freeway is reduced by about 75%. But before you start to panic and take the side streets, keep in mind that the human body is