The science of toxicology usually involves the study of poison, venom, acids, and other harmful substances. Students may be able to learn general biological and chemical principles while discovering how exposure to toxins can be prevented and treated.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.