Tea and Coffee: Their Physical, Intellectual and Moral Effect on the Human System and Are They Injurious? Some Substitutes for Both is a book written by William A. Alcott. The book discusses the effects of tea and coffee on the human body, mind, and morals. It analyzes the physical effects of caffeine on the nervous system, heart, and digestive system. It also explores the intellectual and moral effects of the beverages on the human psyche.The book...