有些研究人员宣称，我们都能健康地生活百来岁。那么，衰老实际上是能够治愈的疾病么？在阿瑟·柯南·道尔（ArthurConanDoyle）所著《男人垂暮》里，一位衰老的教授用猴子睾丸粉提取液给自己注射，企图恢复衰退着的性活力。这疗法倒有效；但是，令人不快的是，教授变成了粗野 Some researchers claim that we all live a healthy life of hundred years of age. So, aging is actually a disease that can be cured? In Arthur Conan Doyle’s book, “A man in the twilight,” an aging professor injections injected himself with monkey testicle extract in an attempt to regain his debilitating sex. This treatment works well; however, it is unpleasant that the professor has become rude