Some like it hot, but does it matter in yoga?

Hot yoga devotee Karla Walsh feels exhilarated after an hour of twisting her soggy limbs into pretzel shapes, but the Iowa-based writer wonders if all that swelter really ramps up her workout.

http://www.reuters.com/article/2013/08/05/us-fitness-hotyoga-idUSBRE97409M20130805?feedType=RSS&feedName=oddlyEnoughNews