tea brewed strong, small drop of milk - no sugar. Gulped down.
Contains caffeine, but also..
"The amino acid L-theanine, found almost exclusively in the tea plant, actively alters the attention networks of the brain, according to results of human trials announced in September 2007. John Foxe, Ph.D., professor of neuroscience, biology and psychology at City College of the City University of New York, found that theanine is absorbed by the small intestine and crosses the blood-brain barrier, where it affects the brain's neurotransmitters and increases alpha brain-wave activity. The result is a calmer, yet more alert, state of mind"
"A 2006 study[24][25] showed that elderly Japanese people who consumed more than 2 cups of green tea a day had a 50 percent lower chance of having cognitive impairment, in comparison to those who drank fewer than 2 cups a day, or who consumed other tested beverages. This is probably due to the effect of EGCG, which passes through the blood-brain barrier."
"According to a study[26] by UCL researchers, drinking black tea lowers stress hormone levels."
"Researchers at the University of Illinois at Chicago stated that polyphenols help inhibit the growth of bacteria that cause bad breath"
And many other things, making it a perfect morning boost...