Artificial Intelligence (AI) has emerged as one of the most transformative technologies in healthcare and medicine. By utilizing advanced algorithms, machine learning, and deep learning techniques, AI has significantly improved disease diagnosis, treatment planning, patient monitoring, and healthcare management. The integration of AI into healthcare systems has enhanced the accuracy of medical decision-making, reduced operational costs, and improved patient outcomes. Despite its numerous advantages, challenges related to data privacy, ethical concerns, and implementation barriers continue to exist. This review paper explores the applications, benefits, challenges, and future prospects of AI in healthcare, highlighting its role in revolutionizing modern medicine.