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I don't understand. Didn't we know this already?

http://www.ncbi.nlm.nih.gov/pubmed/23196385

Even further back from that, there have been studies where researches can do this with children very easily.

I don't understand what point you're trying to make. Is further research not needed? Is there any reason not to continue to raise the level of awareness by the general public to this phenomenon?

could you explain how the study you quoted relates to the study in the article? I don't see any clear relation.

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