This document provides an overview of yoga, including its definition, benefits, and comparison to sports. It describes yoga as the union of body, emotions, mind, and soul. The eight limbs of Patanjali's Ashtanga yoga are explained. Physiological, psychological, psychomotor, cognitive, and biochemical benefits of yoga are outlined. Yoga is compared to sports, noting yoga's focus on inner awareness, balance, and infinite growth potential over competitiveness and external goals. The document closes by stating what yoga needs and is not.