Fukka Inc. (Location: Chuo-ku, Fukuoka City, Fukuoka Prefecture, Representative: Keita Matsuda), which operates "Seituin Fukka," a specialized clinic for chronic pain and numbness such as lower back pain and sciatica, nationwide, announces that the first book by the clinic's head director, Keita Matsuda, "Lower Back Pain Cannot Be Cured by Doctors: 1 in 2 People Have "Muscle" or "Joint" as the Cause! A Physical Therapist's Miracle Cure" (Shogakukan), released on April 1, 2026, has been reprinted for a second printing as of June 6, 2026. Since its release on April 1, 2026, the book has received a strong response, topping Amazon's bestseller list in the "Stiffness/Pain" and "Home Remedies/Medicine" categories, and readers are continuously sending in reports of improvement. Book Overview Title: "Lower Back Pain Cannot Be Cured by Doctors: 1 in 2 People Have "Muscle" or "Joint" as the Cause! A Physical Therapist's Miracle Cure" Price: 1,760 yen (tax included) Pre-order/Purchase: ▼ Amazon https://www.amazon.co.jp/dp/4093116075 Reader Reactions (from Amazon reviews) Since its release, Amazon has received numerous reviews from physical therapists and readers who have suffered from lower back pain for many years. "Even from my perspective as a physical therapist, the content was easy to understand, and I finished reading it in one sitting." "As I've gradually practiced the self-care methods introduced in this book, I can feel my lower back pain definitely lessening. I am truly grateful to have found this book." "I was expecting it to be technical content and braced myself, but it was surprisingly easy for general readers to understand, and I learned one surprising thing after another." In this book, the author, a physical therapist and head director of "Seituin Fukka," a clinic specializing in pain, explains the latest treatment methods for freeing oneself from lower back pain, based on his experience treating over 50,000 people. Focusing on the "true cause" that cannot be