This book explains how to improve immunity and prevent illness by strengthening capillaries. - Title: Strengthen Capillaries to Boost Immunity and Prevent Illness - ISBN: 9784295200178 - Publisher: Cosmos Publishing - Author: Nobuyuki Takakura - Price: 1300 yen This book was a good read, explaining how important capillaries are, how to strengthen them through food and simple exercises, and how to maintain a healthy mind (balance of the autonomic nervous system), etc. It also covers how capillaries affect various illnesses. I hope this helps me stay healthy. Thank you for viewing.