18 million Americans practicing yoga
Wall Street Journal reports (subscription required) that there are
...an estimated 18 million Americans practicing yoga -- more than triple the number just four years ago, according to Yoga Journal -- the yoga-gear industry is booming. And thanks to celebrity enthusiasts like Gwyneth Paltrow and Madonna, the clothes are actually hip outside the gym -- and because they're made of soft cotton blends with elastic waists, they're also winning over the aging (and widening) baby boomers relaxing on the couch.