What is Thirdhand Smoke?

Chemicals released in cigarette smoke that can stick to clothing walls and ceilings, carpets, draperies and furniture upholstery are referred to as thirdhand smoke.  Thirdhand smoke also includes new chemical products, some yet-to-be identified.   These are formed when components of cigarette smoke react with other constituents in the air and in surfaces on which they are deposited.  Identifying and measuring the various components of this newly-formed “chemical soup” pose a big challenge in addition to understanding their undesirable health effects. Thirdhand ...

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Watch Our Newest Featured Video “Toxicity Today”

In “Toxicity Today” viewers will enjoy a comic taste of the “sometimes not poisonous and sometimes very poisonous” Botox® and the not always as safe as you think overconsumption of water – brought to you by the Toxicology Education Foundation (, a resource for information about chemicals in our world and tips for how we can evaluate health risks while reaping the benefits of medicines and other chemicals. To learn more about Botulinum Toxin and Botox®, Water Intoxication (dilutional hyponatremia), Basics of Dose and Exposure, and Hazard ...

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Venomous or Poisonous – Animals, Plants, Mushrooms, and More

Venomous animals, poisonous plants, mushrooms, and substances produced by microbes, inflict considerable damage to humans and other animals throughout the world.  In scientific lingo, the entire subject is referred to as toxinology and the injurious natural substances as toxins. Thus, toxinology is a subset of the broader discipline of toxicology, and toxins could be considered a sub-category of toxicants, which is the proper word to use more generally for hazardous substances. Venomous organisms use a specialized delivery system such as fangs to deliver their venom.  ...

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