Bow Truss House, detail The design of the BTH incorporates a number of principles of ecological architecture which make it energy efficient. For instance, it is elongated along its east-west axis in order to maximize winter solar gain.
The side effects of drinking too much black tea include difficulty sleeping, headaches, nervousness, diarrhea, irritability, irregular heart rate, confusion, heartburn, tremors in your extremities and possibly convulsions. These side effects are all a result of the caffeine content in black tea. If you are used to drinking black tea regularly -- particularly in larger quantities -- you may develop a physical and psychological dependence on the beverage, again, primarily due to the caffeine content.
Researchers from several countries have presented evidence that suggests that black teas, green teas and oolong teas, have a protective capability against oral, lung, colon and other cancers. Green teas especially, with more than thirty polyphenols, have a unique beneficial effect on the human system.reen tea, which is not fermented, has about one-third the caffeine per cup of black tea, which is fully fermented. Oolong is semi-fermented and has about half as much caffeine as black tea. Coffee by contrast, has about twice as much caffeine as black tea.