Artificial Intelligence (AI) has emerged as a transformative force in the field of medical imaging, playing a critical role in the early detection of various diseases. By leveraging machine learning and deep learning algorithms, AI systems can analyze complex imaging data with remarkable speed and accuracy, often surpassing traditional diagnostic methods in sensitivity and consistency. In early disease detection, timely and accurate diagnosis is essential for effective treatment and improved patient outcomes. AI-enhanced imaging tools can identify subtle patterns and abnormalities in modalities such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound—patterns that may be missed by even experienced clinicians. This capability is particularly valuable for detecting early signs of cancer, cardiovascular conditions, neurological disorders, and infectious diseases. AI also facilitates automated segmentation, classification, and quantification of lesions or anatomical structures, reducing diagnostic errors and interobserver variability. Furthermore, it enables the integration of multimodal data, including radiological images, clinical records, and genomic information, to support more comprehensive diagnostic insights and personalized treatment strategies. Beyond diagnosis, AI plays a role in predicting disease progression and monitoring treatment response, contributing to precision medicine. As research advances and more high-quality datasets become available, the performance and generalizability of AI models continue to improve. Despite existing challenges such as data privacy, regulatory approval, and integration into clinical workflows, the potential of AI to revolutionize early disease detection through medical imaging is profound, offering hope for more proactive, efficient, and equitable healthcare delivery.