Toxicology Is The Scientific Study Of Poisons And The Effects It May Have On A Living Organisms

1852 WordsNov 22, 20158 Pages
History of toxicology Toxicology is the scientific study of poisons and the effects it may have on a living organisms. The study involves observing and reporting symptoms, mechanisms involved, detection and treatment of toxic substances especially in relation to humans. Toxic substances are all around us and we come into contact with them on a daily basis, such as in food and drinks that we consume (additives, alcohol), in the environment around us (cigarette smoke, car fumes, herbicides), and even in our work environments (industrial chemicals, heavy metals). Symptoms and the severity of these symptoms are dependent on the dose of the substance ingested, how long the victim is exposed to the toxic substance and what category the substance is in. Toxic substance are categorised in toxicity categories ranging from I to IV, most toxic to least toxic. Category I substances would be the most corrosive to eyes and skin with a danger label, category II would cause severe irritation to skin and eyes with a warning label, category III would only cause moderate irritation with only a caution label finally a category IV substance would have minimal effects on vision and slight irritation of the skin, no signal word label is necessary for category IV toxicants. Toxicologists work to develop new and improved ways to determine the potential harmful effects of substances and at what dose these substances are fatal. They design and carry out controlled studies for chemicals of social and

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