Yoga's meteoric rise in popularity means that, inevitably, some people would start abusing its benefits. In a new profile by the New York Times, writer William J. Broad covers the dirty side of yoga, beyond all the "ohms" and new-age health benefits. Broad speaks to Glenn Black, a dedicated yogi with over forty years of teaching experience. Despite his commitment to the discipline, an incident in 2007 where his back gave way while he was using yoga to rehabilitate a ruptured disk in his spine, caused him to reassess his beliefs.
