A series of studies suggest that childhood stress caused by poverty or abuse can lead to heart disease, inflammation, and speed up cell ageing.

一系列研究显示，因贫困和遭受虐待引发的童年时期压力，会引发心脏疾病、发炎和加速细胞老化。

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Telomere and telomerase are the focus of modern biological study. There are close relationships among telomere loss and cell ageing, activation of telomerase, cell senescence and immortalization.

端粒和端粒酶是现代生物学研究的热点，端粒的缺失与细胞的衰老，端粒酶的活性与细胞的老化及癌化均有密切的关系。

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When the telomeres become very short, the cell starts to malfunction and show signs of ageing.

当端粒变得非常短时，细胞就无法正常工作，会显现衰老的征兆。

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Cell biologists led by Judith Campisi at the Lawrence Berkeley National Laboratory in California doubt that every cell has this dividing limit, and believe that it could be only those cells that have stopped dividing that cause ageing.

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