translation.en: If those diseases where tissues are deteriorating -- for example Alzheimer's, where the brain, the brain cells, die and we need to restore new brain cells, new functional brain cells -- what if we could, in the future, use cancer? A tumor -- put it in the brain and cause it to differentiate into brain cells?
translation.zh: 如果某些疾病中，组织正在恶化 比如阿尔茨海默氏症中大脑细胞的死亡 而我们需要新的具有功能的脑细胞 我们可不可以利用癌症呢？ 把肿瘤放进大脑，并使其分化为脑细胞？