slur

But prolonged exposure to the chemical in poorly ventilated spaces led many hatters to develop mercury poisoning, suffering symptoms like irritability, slurred speech, memory problems, and tremors.

Paradichlorobenzene is a little less toxic, causing eye or throat irritation when it’s first inhaled, but also ultimately ends up damaging your blood cells, liver, kidneys, and sometimes central nervous system, leading to weakness, slow reflexes, trembling or slurred speech.