Author Stefanie Syman traces how a centuries-old spiritual discipline associated with Buddhism and Hinduism became a $6 billion industry providing fitness routines for professional athletes, chief executives, Hollywood stars and suburban soccer moms.

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Review: Larger-than-life characters who popularized yoga in America get spotlight in ‘Subtle Body

Stefanie Symans book examines how yoga, the centuries-old spiritual discipline, became a fitness routine for American athletes, C.E.O.s, movie stars and soccer moms.

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Stefanie Symans Yoga History, The Subtle Body