Harnessing machine learning for improved diagnosis, drug discovery, and patient care

Abstract

Machine learning (ML) is revolutionizing medical science by driving advancements in diagnostics, personalized treatment, drug discovery, and patient management. This review explores key applications of ML in healthcare, including disease diagnosis, optimizing treatment, drug discovery, and improving patient care. ML enables the analysis of genomic, clinical, and laboratory data to uncover complex disease patterns. In personalized medicine, predictive models optimize treatments based on genetic and lifestyle factors, improving therapeutic outcomes and minimizing side effects. ML is transforming the drug discovery process by utilizing generative algorithms and reinforcement learning to accelerate the identification of candidate compounds, enable drug repurposing, and optimize chemical synthesis. Clinical trials benefited from ML by identifying responsive patient subgroups, reducing costs, and improving success rates. Moreover, ML-powered tools support mental health monitoring and enhance treatment adherence through artificial intelligence (AI)-driven chatbots. ML adoption in healthcare faces challenges, including data privacy, algorithmic bias, the "black box" nature of deep learning, and regulatory hurdles. This review synthesizes recent multidisciplinary advancements across oncology, radiology, cardiology, and public health, emphasizing the pivotal role of integrated collaboration, data interoperability, and trust in the effective deployment of ML technologies. The analysis also underscores the necessity of robust regulatory frameworks and ethical oversight to ensure transparency, reproducibility, and equity in ML applications. By unifying progress across diagnostics, therapeutics, and health systems, this review provides a comprehensive and current perspective on the transformative potential of ML in advancing precision medicine and improving patient outcomes. • ML advances diagnostics, personalized treatment, drug discovery, and patient care. • CNNs excel in detecting diseases via medical image analysis with high accuracy. • ML accelerates drug discovery and enhances clinical trial efficiency. • Wearables and AI chatbots revolutionize real-time health monitoring and management. • Ethical frameworks and collaboration are key to overcoming ML adoption challenges

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