Yoga originated in ancient India over 4000 years ago and is described in early Hindu scriptures. It was systematically compiled by Sage Patanjali around 150 BC. Yoga involves eight limbs including physical postures, regulated breathing, meditation, and achieving self-realization. The physical aspects of yoga like poses help relax the body and mind, while the deeper spiritual practices of meditation and breath control allow practitioners to experience higher states of consciousness and union with the divine. Regular yoga practice has benefits for both physical and mental health and well-being.