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What can be toxic?

In: Science, Torts [Edit categories]

Answer:

Everything can be toxic, it depends on the dose. In the 1500's Paracelsus, a scientist sometimes called the father of toxicology, said:

"All things are poison and nothing is without poison, only the dose permits

something not to be poisonous."

The usual toxics are thought to be things like arsenic, thallium, cyanide, benzene, lead, nerve gas and so on. These all get a skull and crossbones on their lables.
However, materials like oxygen, water, iron, Vitamin A, table salt (everyday things we all eat drink and breathe) can be toxic under te wrong conditions and to some organisms.
On the other hand, some organisms can eat drink and breathe materials that would kill humans very quickly.

First answer by Woodwose. Last edit by Woodwose. Contributor trust: 789 [recommend contributor ]. Question popularity: 3 [recommend question].

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