Sweat equity: infrared saunas are suddenly everywhere, but what do they do?
Briefly

From Turkish baths to Mexican sweat lodges, sweating for leisure and health certainly isn't new.But lately saunas have spread from Finland's forests and millionaires' mansions to shopping strips around Australia.Dozens of businesses  including multi-branch brands like City Cave, which is aiming to hit 100 spas this year, and Recovery Lab, with seven branches across the eastern states  are selling Australians the chance to sweat it out in infrared saunas, touted as a high-tech update to the ancient wellbeing practice.
Read at www.theguardian.com
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