June 21, 2021 will mark the seventh commemoration of International Yoga Day but this physical and mental regimen is being practiced by millions in India and across the world for centuries. Yoga aims to benefit both the physical and mental health of the individual practising it. In the words of one of its most famous practitioners, the late B. K. S. Iyengar, “Yoga cultivates the ways of maintaining a balanced attitude in day-to-day life and endows skill in the performance of one’s actions.” Here are some facts about Yoga.