to England, to Japan, and are especially good for polishing your feet and helping to cure psoriasis. Reportedly, bathers feel no pain from the treatment, just some "pleasant tingling," and a lovely post-spa glow. Of course, I'm already the type of person who dips his toe in the water and contemplates at length before jumping in. I'm not sure the thought of flesh-eating fish is going to speed that process up any. Images via TheCellar.