A practical guide to protecting kidney health. It seems that the kidneys are the most important organ and that lifespan is determined by the kidneys. - Title: Kidney Revival - Author: Takako Ueda - ISBN: 9784849204835 - Price: 1650 yen - Contents: Kidney defense methods to extend healthy lifespan ※It's very helpful and I don't want to part with it. ※I bought it at a bookstore, so it's new. Thank you for viewing.