When people feel lonely, are grieving the loss of a loved one, or are struggling to make ends meet, their bodies go into threat mode.

当人们感到孤独，为失去所爱的人而悲伤，或为维持生计而挣扎时，他们的身体就会进入威胁状态。

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But as the hormone level in their bodies decline, bone loss starts to play havoc with their skeletal strength.

但是伴随老龄而产生的激素水平降低，骨分丢失开始严重破坏骨胳强度。

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But as the hormone level in their bodies decline, bone loss starts to play havoc with their skeletal strength.

但是伴随老龄而产生的激素水平降低，骨分丢失开始严重破坏骨胳强度。

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