Introduction : For a long time, medicine has mostly worked in a reactive manner. A person falls sick, consults a doctor, undergoes tests, and then receives treatment. This system has limitations: diseases such as cancer, heart failure, or diabetes usually develop silently, and by the time symptoms are visible, treatment becomes difficult and costly. The question arises: Can healthcare prevent diseases before they even start? This is where Artificial Intelligence (AI) comes in. With advanced data analysis, wearable technology, and predictive algorithms, AI is creating a shift from reactive healthcare to preventive healthcare. Instead of focusing on curing illnesses, AI helps in predicting risks, identifying early symptoms, and guiding lifestyle changes to stop diseases from occurring. ⚠ The Limitations of Traditional Healthcare Traditional healthcare, though life-saving, struggles with: Late Detection → Many diseases like cancer or kidney failure are detected in advanced stages. High Co...