Taking an overdose of gelsemium elegans could cause tremors, convulsions, breathing difficulties, even fainting, and other symptoms.
During math class, I couldn't help but spin my pen, my mind wandering, getting startled when the teacher called my name, failing to solve the problem on the blackboard leading to social death, and then returning to my seat to continue dozing off.
Based on the similarities of the symptoms alone, saying knowledge is toxic is not an issue at all.
Yet the knowledge toxicity Nurse Liu mentioned falls under a different category.
According to Wang Yunxiao's understanding, it's a special form of an information cocoon.