According to accredited research drinking tea can boost your mental state. Tea has amino acid L-theanine which helps the brain relax and stay focused. Drinking 4 cups daily of black tea lowers cortisol, the hormone associated with stress. Red teas are known to relax irritations; green tea studies have shown that 2 cups daily reduce the risk of confusion by 50%. The infamous late British actor and play writer, Arthur W. Pinero was correct: Where there’s tea there’s hope.