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。
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