Tsai recalls a time when living and sanitary conditions were not good, and young children often suffered from intestinal parasites and worms. Symptoms included a pale or greenish complexion and weight loss.
談到熱門暢銷藥品，蔡進興表示，早年因為生活環境和衛生條件較差，小孩子容易被蛔蟲寄生，以致「臉色青黃、身形消瘦」。