Medicinal compounds are chemical substances that have therapeutic effects on the body. They can be derived from natural sources, such as plants and minerals, or synthesized in laboratories. These compounds are used to prevent, diagnose, or treat various health conditions, making them essential in the field of medicine. Many medicinal compounds are found in pharmaceuticals, which are drugs designed to improve health outcomes. Examples include aspirin, used for pain relief, and antibiotics, which fight bacterial infections. Understanding these compounds helps researchers develop new treatments and improve existing ones, ultimately enhancing patient care.