A recent study found that absence claims labels can create a stigma around foods even when there is no scientific evidence that they cause harm.

最近的一项研究发现，即使没有科学证据表明食品有害，带有“不含”字样的标签也会使其污名化。

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Now, a new study adds to evidence that non-smokers who live or work around smokers can experience psychological harm as well.

现在，新的研究又证明，在吸烟者环绕的环境里生活或工作的人，可能还会遭受心理上的伤害。

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Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

Now,a new study adds to evidence that non-smokers who live or work around smokers can experience psychological harm as well.

VOA: standard.2010.06.15

Exaggerated praise can do harm, according to a study of 313 children ages 8 to 13 published this month in the Journal of Experimental Psychology.

WSJ: The Right Level of Self-Esteem for a Child

London, England (CNN) -- Alcohol ranks "most harmful" among a list of 20 drugs, beating out crack and heroin when assessed for its potential harm to the individual imbibing and harm to others, according to study results released by a British medical journal.

CNN: STORY HIGHLIGHTS

The study cannot definitively prove this harm, but it is well done and the findings are very suggestive.

FORBES: The FDA Is Faster. Now Let's Make It Safer