According to studies by major hospitals, a number of cases of heavy metal poisoning have occurred over the years because older people have insisted that newborn infants be given pa-pao-san, or "Eight Treasures Powder" (a Chinese medicine believed to relieve tai-tu, or fetal toxicosis), leading to damage of their nervous systems or even death.
根據各大醫院的報告，歷年來因為老人家要求餵新生兒八寶散，以「解胎毒」或「去胎火」，造成重金屬中毒的案例，時有所聞。輕者神經系統受損、智能低下，重者不幸死亡。