
October 9, 2026
Yes. An algorithm can produce unfair results even if no one deliberately designed it to discriminate.
Medical algorithms learn from data, and that data comes from the real world. If some groups have historically had less access to care, were diagnosed later, were underrepresented in research, or received different treatment, those patterns can end up inside the dataset. The algorithm may then learn those differences as if they were simply medical facts.
For example, imagine a system that predicts which patients need extra follow-up care. If it is trained mostly on patients who had regular access to hospitals and specialists, it may perform less accurately for people whose medical histories are more incomplete. The problem is not that the algorithm “wants” to be unfair. It is that the data it learned from was uneven.
The same issue can happen with medical images, lab values, or risk scores. A model might work very well overall while still making more mistakes for certain groups. Looking only at average accuracy can hide those differences.
That is why fairness in medical AI is not just about removing obvious bias from the code. It also means asking who is represented in the data, who is missing, and whether the model performs equally well across different populations.
This matters because medical algorithms increasingly help with diagnosis, triage, and treatment decisions. A small difference in performance can become important when it affects who gets tested, who gets referred, or who receives care first.
The difficult part is that unfairness does not always come from bad intentions. Sometimes it comes from ordinary data reflecting an unequal healthcare system.
That is why building better medical AI requires more than better algorithms.
It also requires better questions about the data behind them.
Thanks for reading my blog !

