Toxicologists Use Analytical And Scientific Techniques To Identify Toxins Such As Chemicals, Biological Substances And Radiation, And To Assess The Potential Risks And Harmful Effects Posed By Them.The Majority Of Toxicologists’ Work Is Laboratory-based: Designing, Planning And Undertaking Controlled Experiments And Trials; Devising And Testing Hypotheses; Using Appropriate Analytical Techniques To Identify And Quantify Toxins; And Analysing And Interpreting Data.