To learn more about the information contained in this video you can visit these websites by clicking any of the links:
http://www.ncbi.nlm.nih.gov/pubmed/18681988
http://en.wikipedia.org/wiki/Theanine
http://spotmebro.com/3-stacks-for-nootropic-noobs/
http://en.wikipedia.org/wiki/Flow_(psychology)
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