Hundreds of Indians perform Yoga exercises during a teaching session organized by Bharatiya Yog Sansthan in Amritsar on June 7, 2009. Yoga, meaning union in Sanskrit, is a family of ancient spiritual practices, and also a school of spiritual thought that originated in India, where it remains a vibrant living tradition and is seen as a means to enlightenment. Getty Images logo Getty Images 6 months ago

Hundreds of Indians perform Yoga exercises during a teaching session organized by Bharatiya Yog Sansthan in Amritsar on June 7, 2009. Yoga, meaning union in Sanskrit, is a family of ancient spiritual practices, and also a school of spiritual thought that originated in India, where it remains a vibrant living tradition and is seen as a means to enlightenment.