As a result of efforts of toxicologists and environmentalists, a cleaner environment has helped increase the population of the Bald Eagle in the United States. You will find other cited examples periodically on this web site. Many toxicologists run their own businesses as consultants in such diverse fields as medical toxicology, veterinary toxicology, regulatory toxicology, environmental toxicology, forensic toxicology, toxicological pathology, or run independent private forensic toxicology analytical laboratories. A poison is any substance which kills or is harmful to living organisms in the animal or plant kingdoms. Poisons may be solids, liquids or gases.
Poisons can be of animal, plant, metal, or bacterial origin.
Some poisons are very potent while others are mildly toxic. Presently we know that all substances are poisons if exposure and absorption are excessive. Even medications, salt, water, and oxygen which we depend on for our daily existence can be poisonous in excessive amounts. You can find detailed information on all classes of poisons and individual poisons in our Links section. Each year tens of millions of people around the world suffer from poisoning of some sort.