Toxicology is derived from the Greek word toxikos "poisonous". It is a branch of pharmacology which deals with the study of the adverse effects of drugs or chemicals on living organisms. A toxicologist is a scientist or medical personal who are expertized in the study of symptoms, mechanisms, treatments and detection of venoms and toxins; specially the poisoning of people. It also include the studies of the harmful effects of chemical, biological and physical agents in biological systems that produced the extent of harm in living organisms.
The conventional relationship more exposure to the toxic substances shows the equal higher risk has been described in the study of endocrine disruptors. Toxicity is species-specific, lending cross-species analysis problematic. Newer methods has been established to bypass animal-testing.
Factors that influence toxicity: Dosage, Both acute exposures and chronic exposures, Route of exposure, Ingestion, inhalation or skin absorption, Species, Age, Sex, Health, Environment, Individual characteristics.
Last date updated on July, 2014