Cold water therapy and winter swimming were popular in ancient Greece. Cold water therapy routines often involved immersing the body in a cold plunge pool or ice bath tubs. In addition to cold water therapy, the Greeks also utilized thermal springs, recognizing that warm water offers distinct soothing benefits compared to cold. For cold water therapy, they had pools of iced water called frigidaria. Cold water therapy todayToday, cold water therapy is popular across the world for its wide range of mental and physical benefits.