New Delhi, May 13 -- Imagine an AI model that can use a heart scan to guess what racial category you're likely to be put in - even when it hasn't been told what race is, or what to look for. It sounds like science fiction, but it's real.

My recent study, which I conducted with colleagues, found that an AI model could guess whether a patient identified as Black or white from heart images with up to 96% accuracy - despite no explicit information about racial categories being given.

It's a striking finding that challenges assumptions about the objectivity of AI and highlights a deeper issue: AI systems don't just reflect the world - they absorb and reproduce the biases built into it.

First, it's important to be clear: race is not a biolo...