In “Treatise on Poisons,” Robert Sir Christison meticulously explores the spectrum of toxic substances, their effects on the human body, and their implications for medical practice in the 19th century. Through a blend of empirical research and literary precision, Christison catalogs various poisons, detailing their chemical properties, symptoms of poisoning, and antidotal treatments. His work stands as a pivotal contribution to the fields of toxicology and pharmacology, reflecting the burgeoning scientific curiosity of the time and the need for systematic study amidst an era filled with anecdotal and often misguided beliefs regarding poisons. Robert Sir Christison was an eminent Scottish physician and toxicologist whose extensive background in medicine and chemistry informed his rigorous examination of poisons. His experiences in clinical settings, along with his academic foundations at institutions such as Edinburgh University, equipped him with the expertise to address the prevailing misconceptions surrounding toxic substances. Christison's commitment to patient safety and scientific inquiry led him to advocate for a more informed approach to poisoning'Äîall of which is vividly encapsulated in this comprehensive treatise. “Treatise on Poisons” is a must-read for anyone interested in the intersection of medicine, science, and ethics. Christison'Äôs profound insights, historical context, and dedication to scientific accuracy make this work indispensable for scholars, practitioners, and enthusiasts of medical history alike.