Formaldehyde is a potent nerve toxin and causes damage to the eyes, brain and entire nervous system.

甲醛是有力神经毒素和造成对眼睛、脑子和整个神经系统的损伤。

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It could have been worse because it was chemically similar to a potent toxin that causes liver cancer, Nichols said.

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Thallium is a potent toxin.

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We've known for some time that lead is a potent neuro-toxin that can cause significant damage to a number of organs in the body, including the central nervous system, and can lead to behavioural problems in children.

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