One possibility relates to the ATP-making machinery's emission of free radicals, which are thought to contribute to aging and to such age-related diseases as cancer by damaging cells.

一个可能的解释与制造ATP的组织释放出的自由基有关，人们认为它通过破坏细胞来促进老化，并且导致这种像癌症一样的和年龄有关的疾病。