Girl Suffers Formaldehyde Poisoning After Hoarding Large Quantities of Badges: Which Parts of Similar Products Release Toxic Substances, and What Symptoms Should Raise Concern?

女孩囤积大量吧唧（徽章）致甲醛中毒，类似制品的哪些部分会释放有毒物质？出现什么症状需要警惕？

A public trend signal observed across 1 source.