In BS 138 Dr. John Medina returns to discuss his latest book Brain Rules for Aging Well: 10 Principles for Staying Vital, Happy, and Sharp. This is a lively discussion full of useful information for listeners of all ages. If you listen via the free Brain Science mobile app you also listen to Dr. Medina's original interview (BSP 37), which is included as Bonus content. Full show notes and episode transcripts are available at http://brainsciencepodcast.com. Note to Premium Subscribers: Premium content including episode transcripts is accessed via the free mobile app or by logging in at https://my.libsyn.com/auth/login/show_id/18369.