The emerging technology of stem cells replacing failing cells with potent new cells may produce better results because the patient is receiving the whole genetic system at once.

• 新兴的干细胞技术用有潜能的新细胞替代失去功能的细胞，有可能获得更理想的结果，因为病人一下子接受到的是全部完整的遗传系统。