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.
Green and black tea also can lower cortisol, but itâs still not clear whether the positive effect on cortisol is from the chemical compounds in tea or from the calming effect when making tea. One Japanese study of women over age 50 who regularly practiced the Japanese tea ceremony found a longevity effect.