研究人员目前正在分析研究对象的健康状况和生活方式，以了解哪些因素可能会影响与年龄相关的认知变化。
The researchers are currently analyzing the study participants' health and lifestyle to see which factors might influence age-related cognitive changes.
这就是因为当你研究生活方式对癌症风险的影响时，有很多复杂的因素需要考虑。
This is because there are so many complicating factors when you try to study the effects of lifestyle on cancer risk.
在十年期间，他们追踪记录了他们的生活方式，分析对他们的存活率和死亡率有影响的因素。
They tracked the group over a ten year period, analysing what factors might play a part in their survival and mortality rates.
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