Voice query in Bengali: "matha betha ar bomi bomi bhab, ki khabo?" Most Health AI built in the last three years is English-first. The translation layer breaks the moment a user types a real query in a language a billion people actually think in. What a generic Health AI says You mentioned headache and nausea sensation. Common causes include migraine. Please consult a doctor and consider rephrasing in English for clearer medical advice. What native multilingual reasoning looks like Matha betha + bomi bomi bhab migraine er classic combination. Andhar ghor, thanda paani-r compress, ar Domperidone (10mg) + Naproxen (250mg) khaowa jete pare. 3 din-er beshi thakle MRI kora uchit. Why this is the wedge 1.4 billion people don't think in English. Every Health AI built so far has either been English-first (translate-button bolted on) or has had a thin localised veneer over an English model. Neither holds up under a real medical query.…