AI APPLICATIONS IN MEDICINE: TOWARD LEARNING HEALTH SYSTEMS AND INTELLIGENT THERAPIES

Abstract

Artificial Intelligence (AI) is reshaping medicine across the entire continuum of care, from prevention and early detection through diagnosis, treatment selection, monitoring, and population health. While much of the public discussion focuses on headline tasks such as radiology image classification, the deeper transformation is the emergence of “learning health systems” in which data, algorithms, and human expertise are tightly coupled. This paper presents a comprehensive, forward looking analysis of AI applications in medicine that emphasizes systems-level integration rather than isolated use cases. We review technical foundations of AI relevant to clinical environments, examine how AI can augment each step of the clinical workflow, and explore its role in drug discovery, precision therapeutics, and health system operations. We then discuss safety, bias, explainability, and regulatory considerations that constrain responsible deployment. Rather than viewing AI as a replacement for clinicians, we argue for a hybrid paradigm in which AI systems and medical professionals co-evolve, with humans maintain-ing ultimate responsibility for judgment, empathy, and accountability.

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