Dietary Guide for Maintaining Brain Health. - Title: A Non-Dementing Diet for a Gentle Journey to 80 - Authors: Takashi Hosaka, Tomoyuki Nishizaki - Price: 1300 yen - ISBN: 978-4-7699-2262-2 - Content: Key dietary points taught by a brain specialist and a psychiatrist. Thank you for looking. This item was stored unread after purchase and is in clean condition overall. Although it has been stored by an amateur, there are no noticeable stains.