Home Â» Projects Â» Generic Design Â» Bow String Truss House Â» Bow Truss House The Bow Truss House (BTH) is appropriate for most climates. The truss is composed of a horizontal bottom chord and convex top chord, forming a gently curved roof with a pitch shallow enough to function as a living roof.
Black tea contains 2% to 4% caffeine, which affects thinking and alertness, increases urine output, and may reduce the symptoms of Parkinson's disease. It also contains antioxidants and other substances that might help protect the heart and blood vessels.
In a study where people drank black tea for six weeks, researchers were able to show a significant decrease in the stress hormone cortisol, Kirkpatrick says. Participants reported less stress and a greater sense of relaxation.. Black tea has also been used to improve memory and may even help get rid of headaches.