We may earn an affiliate commission when you visit our partners.

Toxicology

Save
May 1, 2024 Updated May 11, 2025 26 minute read

Toxicology is the scientific study of the adverse effects of chemical, physical, or biological agents on living organisms and the ecosystem. It explores how these substances, known as toxicants, can cause harm, investigating everything from the mechanisms of their action at the molecular level to their impact on entire populations. At its core, toxicology seeks to understand the relationship between the dose of a substance and its effects, a principle famously articulated by Paracelsus in the 16th century: "All substances are poisons; there is none which is not a poison. The right dose differentiates a poison from a remedy." This fundamental concept underscores the work of toxicologists as they strive to determine safe exposure levels and mitigate risks.

Working in toxicology can be both engaging and exciting. Toxicologists play a crucial role in safeguarding public health and the environment, contributing to the development of safer medicines, consumer products, and industrial practices. Their work often involves solving complex puzzles, such as identifying the cause of an unknown illness or assessing the potential risks of a new chemical. Furthermore, the field is constantly evolving with advancements in technology, offering opportunities to work with cutting-edge techniques in areas like computational toxicology and molecular biology.

What is Toxicology?

Toxicology is a multidisciplinary field that draws on principles from biology, chemistry, pharmacology, and medicine to understand how substances interact with living systems to cause harm. It encompasses not only the study of poisons in the traditional sense but also the adverse effects of a vast array of chemicals, including pharmaceuticals, industrial compounds, environmental pollutants, and natural toxins. Toxicologists aim to identify these harmful effects, understand the mechanisms by which they occur, and assess the risks associated with exposure.

Path to Toxicology

Take the first step.
We've curated 16 courses to help you on your path to Toxicology. Use these to develop your skills, build background knowledge, and put what you learn to practice.
Sorted from most relevant to least relevant:

Share

Help others find this page about Toxicology: by sharing it with your friends and followers:

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Toxicology.
This handbook provides a comprehensive reference on toxicology, covering a wide range of topics from basic principles to specific applications.
Provides a detailed examination of toxicological risk assessment, addressing topics such as hazard identification, dose-response assessment, and risk characterization.
Provides a detailed examination of the chemical and biochemical basis of toxicology, exploring the interactions between chemicals and biological systems.
Provides a comprehensive overview of the use of animal models in toxicology, covering topics such as model selection, experimental design, and data interpretation.
Table of Contents
Our mission

OpenCourser helps millions of learners each year. People visit us to learn workspace skills, ace their exams, and nurture their curiosity.

Our extensive catalog contains over 50,000 courses and twice as many books. Browse by search, by topic, or even by career interests. We'll match you to the right resources quickly.

Find this site helpful? Tell a friend about us.

Affiliate disclosure

We're supported by our community of learners. When you purchase or subscribe to courses and programs or purchase books, we may earn a commission from our partners.

Your purchases help us maintain our catalog and keep our servers humming without ads.

Thank you for supporting OpenCourser.

© 2016 - 2025 OpenCourser