Science of tea

No.10993817 ViewReplyOriginalReport
How does /sci/ brew their tea? Is it healthy?

https://www.ncbi.nlm.nih.gov/pubmed/18296328
>However tea also contains a unique amino acid, L-theanine that may modulate aspects of brain function in humans. Evidence from human electroencephalograph (EEG) studies show that it has a direct effect on the brain (Juneja et al. Trends in Food Science & Tech 1999;10;199-204). L-theanine significantly increases activity in the alpha frequency band which indicates that it relaxes the mind without inducing drowsiness.