reporter: diane knows all about the placebo effect . still, she was surprised how much it helped her in this latest study.

在一项旨在更好地理解“安慰剂效应”的试验中，研究人员发现，即便患者完全知道自己服用的是安慰剂，安慰剂仍能让患者感到病情改善

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In this latest study, the most depressed of all were single biological mothers who had never married, and biological mothers whose children had died.

在这项最新研究中，最抑郁的是从未结婚的有亲生孩子的单身母亲，以及亲生孩子夭折的母亲。

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In this latest study, published in the American Journal of Epidemiology, researchers found that lifelong disadvantage may translate into an "accumulation of risk" for heart disease.

这份最新研究报告，发表在美国流行病学杂志。研究人员发现，终身处于劣势之中可能会为心脏病“积累风险”。

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In this latest study, they looked at the children's development up until the age of eight.

BBC: Pregnant woman undergoing an ultrasound

This has tumbled from 46% in 2005 to 31% in this latest study.

BBC: Young people 'prefer to read on screen'

In this latest study, the scientists looked at records from coral skeletons, ship observations and climate models to compare coral growth rates from 1880 to 2000.

BBC: Particles from fossil fuels 'affect the growth of corals'