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A comment on L-theanine, a constituent in tea, and its effect on mental state (2008) [pdf]. Parent comment

Re:L-theanine, a constituent in tea, and its effect on menta... by magduf on Monday July 30, 2018 @02:14PM (#17646649)
Didn't coffee only become a popular drink with westerners in the late 1800s or so?
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