New Delhi, June 19 -- As more people turn to artificial intelligence for answers to health-related questions, OpenAI is expanding its focus on healthcare. At the centre of that effort is Karan Singhal, a former Google researcher who now leads health research initiatives at the company.

According to a Business Insider report, more than 230 million people use ChatGPT each week for health and wellness advice. Singhal's goal is to make the chatbot more accurate, useful and trusted by both patients and healthcare professionals.

Before joining OpenAI in mid-2024, Singhal worked at Google, where he helped develop Med-PaLM, a series of AI models built specifically for medical questions.

Speaking to Business Insider, he said OpenAI's GPT-5 fami...