Understanding Brain Science is a set of 5 DVDs on understanding the science of the brain.  The five topics covered are  1) What Causes Brain Degeneration?  2) Sugar: A Powerful Brain Toxin  3) Eat Fat, Be Smart  4) Gluten: A Danger to Your Brain  5) Unlocking Your DNA to Build a Better Brain. Brain Change Extended Edition:  Features additional information, questions and answers from not seen on TV broadcast.   Also included is Grain Brain 2 Power 7 and  Grain Brain Power 8 - 8 fundamental lab tests and Brain Empowering Supplements. All brand new and sealed. Purchase from an eBay buyer with 17 years experience and 5 star reviews.