Book excerpt: Medicinal chemistry and pharmacology are closely associated fields, and the use of natural products for their medicinal properties is ever-growing. The study of drugs from natural products and their effects on the living body are explored in this volume. The book looks into the research, discovery, and characterization of chemicals that exhibit biological effects. Providing an informative compilation of research, valuable case studies, and reviews of existing literature in the area, the book focuses on the ethnobotanical uses of natural products and phytochemicals for health care, including applications for diabetes, ulcers, wound healing, chronic alcoholism, hemorrhoidal treatment, cancer mitigation, pain management, immunotherapy, and more.