Caffeine content and effects
Tea: Tea has approximately 55 milligrams of caffeine per cup. Various teas contain different amounts of caffeine. Green tea contains the least, about one-third the caffeine as black and oolong about two-thirds as much. The caffeine in tea is said to increase concentration, and enhance the sense of taste and smell. The effect of caffeine in tea usually takes longer to enter the blood stream than coffee therefore, seems gentler to the system. About 80% of the caffeine in black tea can be removed easily at home Coffee: Coffee has approximately 125-185 milligrams of caffeine per cup. The caffeine in coffee is sometimes associated with a lift followed by a letdown. The effects of the caffeine in coffee are immediate and sometimes arouse feelings of anxiety known as "coffee jitters". Many varieties of decaffeinated coffees are available on the market today. Note: Studies have shown that tea or coffee drunk in moderation (two [it reported] cups of coffee a day and four or five cups of black tea) has no harmful effects
Tea is a genteel beverage requiring preparation and time to sip. The pace is always slow, calm and tranquil, the beverage soothing. On the other hand, the coffee culture can be fast paced and frantic. Images of people in lines at the drive-through talking into microphones and driving around buildings to pick up huge paper cups of the daily special come to mind. Popularity
Coffee is extremely popular in the United States. The average American drinks 23 gallons of coffee every year.