I'm a yoga instructor in my town and I've a new wave of business ever since PBS did a special on yoga's history as both a physical practice and a spiritual one.
Ive always wanted to try yoga, seems nice and relaxing.
Yoga
Yoga (; ; ) is a group of physical, mental, and spiritual practices or disciplines which originated in ancient India. Yoga is one of the six orthodox schools of Hindu philosophical traditions. There is a broad variety of yoga schools, practices, and goals in Hinduism, Buddhism, and Jainism. The term "yoga" in the Western world often denotes a modern form of Hatha yoga, yoga as exercise, consisting largely of the postures called asanas.
The origins of yoga have been speculated to date back
the college taught yoga to Bikram Choudhury, founder of Bikram Yoga.
Krishnamacharya observed the work at Kaivalyadhama in 1934, but while that centre has always attempted to study yoga scientifically, he continued the Mysore Palace tradition of incorporating Western physical training in his form of yoga, rather than seeking to study it as science. 
Other Indian schools of yoga took up the new style of asanas, but continued to emphasize Haṭha yoga's spiritual goals and practices to varying extents. The Divine Life Society was founded by Sivananda Saraswati of