健康与心理健康
新研究发现，压力会让人生时钟走得更快
近年来，科学家们开发了通过跟踪DNA化学变化来测量生理年龄的方法，这些化学变化随着人们年龄的增长而自然发生，但在不同的人身上发生的时间不同。这些所谓的“表观遗传时钟”已被证明比实际年龄更能预测寿命和健康。
Bess Connolly Martell is a Communications Officer at the Yale Office of Public Affairs and Communications.
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