"The ultimate goal of regenerative therapy is to develop fully functioning bioengineered organs that can replace lost or damaged organs following disease, injury or aging," they wrote.

“再生疗法的最终目标是产生功能齐全的生物工程器官，用于替代因疾病，伤害或老化导致的器官缺失或损坏，”他们写道。

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But for the majority of those with hearing loss, particularly in the aging population, drug therapy could be the solution.

对大多数听力障碍患者，尤其是老龄化人口，药物疗法可以解决。

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The ultimate goal of regenerative therapy, however, is to develop fully functioning bioengineered organs that can replace lost or damaged organs after disease, injury or aging.

然而，再生性治疗的最终目标是形成具有全部正常功能的生物工程器官来代替病变，损伤衰老后功能不全或缺陷的器官。

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Anti-aging is a new field and most doctors are not trained in hormone therapy, so they learn as they go from pharmaceutical reps and the latest published research.

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For years biologists have figured the aging process is so complex it must involve thousands of genes, too many to offer an effective targeted therapy.

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