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Yoga is a physical, mental, and spiritual practice or discipline, that aims to transform body and mind. The term denotes a variety of schools, practices and goals in Hinduism, Buddhism (including Vajrayana and Tibetan Buddhism) and Jainism, the best-known being Hatha yoga and Raja yoga. The term yoga is derived from the literal meaning of "yoking together" a span of horses or oxen,[1] but came to be applied to the "yoking" of mind and body.