The Level III DVD study course covers the equation and the affect the diet has on the equation. This is an actual classroom setting and when you are finished with this course you will be able to see the picture for yourself how the diet affects the numbers. You will actually be able to know what no food was eaten and even on what day. With this course you will have the next step towards learning the RBTI. Anyone in the world is able to study the RBTI from their own home and then review the material as often as you desire many times for less than a plane ticket let alone the expenses for room and board. After this Level you will start to see the pictures that will really amaze yourself and your clients.