Pharmaceuticals are substances used to diagnose, treat, or prevent diseases. They play a crucial role in modern medicine, providing therapies that improve health outcomes and enhance the quality of life for patients. The pharmaceutical industry encompasses the research, development, and manufacturing of these drugs, ensuring they are safe and effective for public use. The process of bringing a pharmaceutical product to market involves rigorous testing and regulatory approval. This includes clinical trials to assess efficacy and safety, overseen by organizations like the FDA in the United States. Innovations in pharmaceuticals continue to evolve, addressing complex health challenges and advancing medical science.