Salt of the Earth Spa offers salty relaxation

The health benefits of halotherapy were first observed nearly 200 years ago, but you had to be a Polish salt miner to get them. These days, all it takes to get your salty fix is a quick trip to North Boulder for a visit to Salt of the Earth spa, a "holistic relaxation and rejuvenation center" that promises relief for a variety of common ailments and illnesses.

"We get a lot of clients with allergi...