After observing the effects that hormones and oxidants have on cells, the medical community believes that if the endocrine system is kept in balance and the body's ability to resist oxidants is raised, allowing it to eliminate free radicals, aging can be fought.
醫藥界觀察到人體荷爾蒙及氧化物對細胞的作用與變化，進而認為如果能維持內分泌系統的平衡，及提昇身體的抗氧化能力以消除體內的自由基，就能為人類防衰抗老。