But studies on its likely impact are still being done.

但就其影响力大小，人们还在做着进一步研究。

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There were a lot of reports on chemical composition and their pharmacologic action from Smilaxglabra, but studies on inhibition against tyrosinase and antioxidant activitys were not reported.

近年来，对土茯苓化学成分及其药理作用的研究报道较多，但研究土茯苓中对酪氨酸酶有抑制活性的化合物及其抗氧化作用的报道未见。

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There's also been a great increase in the number of networking sites devoted to sharing advice on health issues but there are as yet no studies to prove the reliability of that advice.

致力于分享健康问题建议的社交网站的数量也在大幅增加，但目前还没有研究证实这些建议的可靠性。

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Ghost authors work on studies but are not credited.

VOA: special.2009.10.08

It wasn't actually a study itself on the Mediterranean Diet, but it was a review of other studies that had been done using this statistical technique called meta-analysis.

该研究本身并不直接研究地中海式饮食法,而是运用荟萃分析的统计方法,对其它已有的相关研究进行研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, Willett and others were doing studies for a number of years finding that Trans fats were having a very negative impact on health, but nobody paid much attention and they couldn't get much attention out there in the world for this kind of work.

威莱特等人多年的研究发现,反式脂肪对健康有着非常负面的影响,但没有人对此多加注意,研究者们也无法让大众注意到他们的研究

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The case for raising HDL rests not on clinical trials but mostly on studies showing circumstantial connections.

FORBES: Magazine Article

The relationship between impact speed and pedestrian risk of death has been studied previously, but earlier studies based on data from the United States are now several decades old, and more recent studies based on analysis of data from other countries have been limited to cars.

FORBES: In Crashes, Low Driving Speed Can Cause Serious Injury and Death to Pedestrians, Report Finds

But studies show that, on their own, eating more of them without making other behavioral changes doesn't result in any weight loss.

CNN: What you thought you knew about obesity is wrong