One in five people suffer A new national disease: “Chronic Kidney Disease”! Your healthy life expectancy is determined by your kidneys. The definitive book on organ care for living to 100 years old, “The Kidney Revival,” is quickly reprinted.

[One in five people suffer from this disease] Chronic kidney disease: a new national disease! Your healthy lifespan is determined by your kidneys. The definitive guide to organ care for living to age 100, “The Great Kidney Revival,” is quickly reprinted. ​ Toyo Keizai Inc. Press Release: October 14, 2025 [One in five people suffer from this disease] Chronic kidney disease is a new national disease! Your healthy lifespan is determined by your kidneys. The definitive guide to organ care to live to age 100, “The Great Kidney Revival,” is quickly reprinted. One-quarter of people over 45 are at risk of developing chronic kidney disease. Kidney function declines by half by the time they reach their 60s… What is proper kidney self-care? Toyo Keizai Inc. (Headquarters: Chuo-ku, Tokyo; President and CEO: Tetsuya Yamada) has announced the publication of its book “Kidney Revival: We are pleased to announce that a second printing of “How to Build Strong Kidneys to Enjoy Life to Age 100” has been decided.
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◆Toyo Keizai Online Related Articles◆ Kidney function declines by half in your 60s → Kidneys are actually extremely important organs that determine your lifespan. “Simple care to live to 100” “One in five people suffers,” and “One-quarter of people over 45 are at risk.” Chronic kidney disease is becoming a “national disease” in Japan, a super-aging nation. What can be done to revive weakened kidneys and restore their health? How can we keep our kidneys healthy? A renowned doctor who created the new treatment method “renal rehabilitation” compares the “old common sense” and “new common sense” surrounding the kidneys, and introduces the “new common sense about kidneys” that will help you live a healthy life in the era of 100-year lifespans. [New Common Sense] Kidneys Start to Deteriorate in Your 20s Your kidneys aren’t young, even in your 20s and 30s. Nephrons filter the large amounts of blood that flow into the kidneys. Each kidney has approximately 1 million nephrons, which are essentially “consumables.” After the age of 20, their number begins to gradually decline. The decline in kidney function begins as early as your 20s.
https://prcdn.freetls.fastly.net/release_image/4767/249/4767-249-cb0170e0501d2d8b3e027aef4236dd98-3652×1683.png Nephrons decrease with age. By your 60s, the number of nephrons you have is about half of what it was in your 20s. [New Common Sense] “Rest at Home” Aggravates Kidney Damage If you stay at rest, you lose two years’ worth of muscle in just one day. When muscle mass decreases, the kidneys do not receive enough blood, resulting in a decrease in their filtering function. People with chronic kidney disease may need to start dialysis earlier. By developing a moderate exercise habit through “renal rehabilitation” exercise therapy, you can restore kidney function and slow the rate of functional decline.
https://prcdn.freetls.fastly.net/release_image/4767/249/4767-249-cafe11a6f54eee00c6ed9c89dc1d06e0-2641×2040.png Exercise therapy for renal rehabilitation can be highly effective even when done self-care. [New Common Sense] × “Healing without eating” ⇒ 〇 “Healing by eating” Eat well and revitalize your body with the “Kidney Revival Diet”! The number one thing people with chronic kidney disease must avoid is “not eating.” In particular, if you fall into a protein deficiency, your muscle mass will decrease rapidly. Incorporate the know-how of the “Kidney Revival Diet” and enjoy normal meals. Image
URL: https://prcdn.freetls.fastly.net/release_image/4767/249/4767-249-17f8a85f8e047de4828b05e8d5dfe7d0-3900×1797.png Phosphorus, a food additive that should be avoided, can be reduced with just a few simple steps. ■Main Table of Contents Prologue: “New Common Sense about the Kidney” in the Era of 100-Year Organs Chapter 1: Your lifespan is determined by your kidneys! Chapter 2: Exercise is the best medicine! Greatly improve kidney function with “renal rehabilitation”! Chapter 3: Eat well and revitalize your body with the “Kidney Revival Diet”! Chapter 4: Tips for Maintaining Kidney Function and Living to Age 100 Chapter 5: Healthy Kidneys Can Revive Your Life ■Book overview
https://prcdn.freetls.fastly.net/release_image/4767/249/4767-249-96e69fa80e0b9f947f09dbb7630c4c2b-1598×2256.jpg “Kidney Revival: How to Build Strong Kidneys and Enjoy Life to Age 100” / Author: Masahiro Kozuki Price: ¥1,650 (tax included) Release date: September 17, 2025 ISBN: 978-4-492-04815-3 Format: A5 / Paperback / 232 pages Publisher: Toyo Keizai Inc. Toyo Keizai Store Site: https://str.toyokeizai.net/books/9784492048153/ Amazon page: https://www.amazon.co.jp/dp/4492048154 ■Author Profile Masahiro Kozuki Professor Emeritus at Tohoku University, President and Chairperson of the Board of Trustees of Yamagata Prefectural University of Health Sciences Doctor of Medicine. Distinguished Service Member of the Japanese Society of Nephrology, Specialist in General Internal Medicine, Nephrology, Hypertension, and Rehabilitation Medicine. Graduated from Tohoku University School of Medicine in 1981. He has served as a professor in the Department of Internal Disability Studies at Tohoku University Graduate School, director of the Rehabilitation Department at Tohoku University Hospital, head of the Department of Disability Science at Tohoku University Graduate School, and professor of Advanced Integrated Nephrology at the same university. He has held his current position since 2022. He specializes in the rehabilitation of internal disorders such as the heart and kidneys. He served as president of the Japanese Society of Renal Rehabilitation from 2011 to 2021 and as president of the International Society of Renal
Rehabilitation since 2020. In 2018, he was recognized for his achievements in renal rehabilitation by receiving the prestigious Hans Selye Medal, an internationally recognized award given to scientists who have contributed to the fields of heart and kidney disease, and in 2022 he received the Japan Kidney Foundation Merit Award. His publications include “A Method for Self-Revitalization of Weakened Kidneys Developed by Tohoku University Hospital” (Ascom).