The hot spring water softens dead skin cells, which are nibbled off by the fish.
Fish Therapy is also used to cure skin diseases, such as Psoriasis.

Codenamed "Merchandise 7X", the list of ingredients that go into Coke - 922 million litres of which were drunk in the UK last year - has been kept carefully shrouded in mystery since the drink's inventor, a medicinal chemist called John Pemberton, first wrote it down in 1886. These days it is supposedly kept under 24-hour guard in a vault in Atlanta, Georgia, which is odd considering that author Mark Pendergrast published it in his exposé of the cola industry For God, Country & Coca-Cola (Basic Books) in 1993. The company maintains that this recipe is not the same as the one it uses.