观测研究指研究者通过观测现实生活中的大批量对象,而非采取临床试验来进行的医学研究。
对这种变化的观测研究可回溯几十年。
观测研究常常会误导。
也有消息称阿司匹林还可预防某些癌症,但大多都是基于观测研究得来的,不可全信。
There were also hints that aspirin may help prevent some cancers. But these were mostly based on observational studies, which can be misleading.
Science, particularly more advanced sciences like physics or chemistry, are all about unobservables.
科学,尤其是像物理,或者化学这样较为尖端的科学,研究的都是不可观测的事物。
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