雑学 What is “Yondoku Nuki” (Four-Poisons Detox)? A Trending Health Fad in Japan and its Reality
The "Yondoku Nuki" (Four-Poisons Detox) is a health and dietary regimen popular in Japan that involves avoiding four specific food groups: wheat flour, vegetable oils, dairy products, and sweets/sugar. This trend was primarily championed by dentist Dr. Toshiaki Yoshino and has rapidly spread across social media and YouTube. It is particularly popular among "Yondoku followers" ("Yondoku Shinja") who seek to improve their physical condition and prevent disease. Below, we explain its claimed effects, drawbacks, its Japan-specific context, scientific basis, and precautions.