While water is consumed the most, tea is second. The drinking of tea began in ancient China, the Shang Dynasty ( 1500-1046 BC ).  But legend has it that the first cup of tea was brewed in 2723 BC for Emperor Shennong.  Coffee, is #3 and only came in the 15th century, probably in Yemen. I've posted on tea several times.  Here is  one from 20June2016 .  To quote: While hot beverages now have officially been placed on the   warning list for being carcinogenic , coffee and tea appear now to have a range of health benefits that warrant your high consideration.  Just don't drink them too hot . You thought you knew tea ( mg of caffeine per 8 oz cup )? White (30-55):  wilted and unoxidized Yellow (33):  unwilted and unoxidized, and allowed to yellow Green (35-70):  uwilted and unoxidized Oolong (50-75):  wilted, bruised and partially oxidized Black (60-90):  wilted, sometimes crushed and fully oxidized (sometimes called Red) Today, I w...