Hatha Yoga and the Laboratory of the Body is a book written by Ramacharaka, a yogi who explores the practice of Hatha Yoga and its benefits to the human body. The book delves into the physical aspects of yoga, including various poses and breathing techniques, and how they can be used to improve one's health and well-being. Ramacharaka also discusses the spiritual aspects of yoga, such as meditation and the connection between mind and body. The book...