Also, they wanted to know whether genetic variants were affecting the aging process directly or affecting risk of individual diseases that could lead to death. They found that among common variants, those found in at least one in 200 people that are associated with Alzheimer's disease, heart disease, and smoking-related conditions were linked to overall lifespan.
此外,他们还想知道遗传变异是否会对衰老过程产生直接影响,亦或影响可能致死的个别疾病的风险。他们发现:在常见变异体中,与阿尔茨海默症、心脏病以及抽烟相关的0.5%的变异体会影响整体寿命。
However, they did not find lifespan associations for other cancers, suggesting that susceptibility to death caused by other cancers is due to rarer genetic variants or the environment.
然而,他们没有发现癌症与寿命相关,这表明:其它癌症引起的死亡可能是罕见的遗传变异或环境造成的。
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