Yoga is a scientific system that combines yoga postures, relaxation, breathing, and meditation techniques with psychological, moral, and ethical principles. Through various combinations of practices determent by temperament and culture (personal preference) the yogi undergoes a complete and harmonious developement- physically, emotionally, mentally, and spiritually. Yoga is not a religion. No one is ever told he or she must follow an exact path by only practicing these postures or meditation in this particular way. The student is given suggestions but it is left to the individual to find a path that brings him or her harmony. Most people know that yoga originated in India, but no one knows exactly when. It has been practiced for thousands of years by people from all walks of life all over the world. Yoga has been proved to bring health to the body, increased vitality and calmness to the mind, and a greater sense of peace and harmony.