Salt Therapy has been popular since Biblical times. The Dead Sea in Israel was the world's first health spa. In modern times, Russia and Poland have used salt caves to treat a wide number of ailments. Halotherapy is now commonplace in Eastern Europe. This health trend is coming to North America - See YouTube.com for tons of videos by Salt Chalet, our business partner in Salt Therapy. Now this age-old natural health phenomenon is available right here in Birmingham, MI.