Researchers intend to look at other associations that shorten telomere length. These include environmental factors, such as increased body mass index and smoking.
研究者想调查端粒缩短的其它相关因素，包括环境因素，如体重增加和吸烟。
Telomere length tends to shorten with age, and shorter telomeres tend to be linked with shorter life spans.
端粒的长度与寿命的长短有关，染色体端粒越短，它所在的生命跨度也就越短。
Genetic factors and environmental stressors can shorten the length of the telomere.
遗传因素和环境压力可以使得端粒的长度缩短。
In cells division chromosome length is shorten for the ending DNA couldn't be replicated completely, and the loss of telomere DNA will lead to senescence and death.
细胞分裂中染色体因其末端的DNA不能完全复制而短缩，使细胞逐渐失去增殖能力，导致细胞衰老、死亡。
In cells division chromosome length is shorten for the ending DNA couldn't be replicated completely, and the loss of telomere DNA will lead to senescence and death.
细胞分裂中染色体因其末端的DNA不能完全复制而短缩，使细胞逐渐失去增殖能力，导致细胞衰老、死亡。
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