Health What Is Hara Hachi Bu? The Benefits of Eating Until 80% Full by Dr Natalie Singh - Health Editor July 20, 2026 by Dr Natalie Singh - Health Editor July 20, 2026 Hara Hachi Bu: The Science and Practice of Mindful Portion Control Hara hachi bu is a traditional Okinawan dietary practice of eating until one is approximately 80% full. Rooted in … 0 FacebookTwitterPinterestEmail