From the landmark book Grow Young with HGH comes the most powerful, over-the-counter health supplement in the history of man. Human growth hormone was first discovered in 1920 and has long been thought by the medical community to be necessary only to stimulate the body to full adult size and therefore unnecessary past the age of 20. Recent studies, however, have overturned this notion completely, discovering instead that the natural decline of Human Growth Hormone (HGH), from ages 21 to 61 (the average age at which there is only a trace left in the body) and is the main reason why the the body ages and fails to regenerate itself to its 25 year-old biological age.
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机译：具有里程碑意义的书《与HGH一起成长的年轻人》（Grow Young with HGH）是人类历史上功能最强大的非处方保健品。人类生长激素最早于1920年被发现，医学界长期以来认为只有这种作用才能刺激人体达到完整的成年人大小，因此在20岁以后不再必要。最近的研究完全颠覆了这一概念，发现取而代之的是人类生长激素（HGH）从21岁到61岁的自然下降（平均年龄，体内只有一丝痕迹），这是人体衰老而无法自我再生的主要原因其25岁的生物学年龄。
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