Japan is home to more than 3,000 hot springs rich in minerals and gases. Soaking in the geothermal waters has long been a favorite pastime. In days of old, peasants and samurai warriors alike sought relief in hot springs for fatigue and injuries. Today, scientists are examining their therapeutic effects, and doctors are using them to treat ailments including atopic dermatitis and kidney failure. Find out more, and learn how you can use your own tub for a healthful bathing experience.
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