Most doctors agree on two reasons. One is that people in Taiwan do not give much though to routine health check-ups, so that cancer is often discovered too late. In addition, many people diagnosed with cancer abandon orthodox medicine in favor of alternative treatments.
針對這一點，大部份醫生認為，這是因為台灣健康檢查觀念不彰，導致癌症發現時間太晚，再加上許多癌症病人捨棄正規治療，接受另類療法所致。