The growth in the yoga market is reflected in the growth of the Yoga Journal magazine itself. Founded in 1975, it now has 10 international editions.
Sat Jivan Singh Khalsa, a lawyer turned Kundalini yoga teacher who set up a yoga studio in Brooklyn's Boerum Hill in 1971, has seen yoga in America evolve from a niche activity of devout New Agers to part of the cultural mainstream.