swimming in ice water.
It was observed that the common flu rate when ice water swimming decreases in 60 times and the other diseases in 30. Swimming in ice water as a healing method cures of many diseases including radiculitis, high blood-pressure and low blood pressure, pulmonary tuberculosis, diabetes mellitus, chronic gastrointestinal diseases, inflammatory processes of genitals, menstrual cycle disorder, skin diseases and so on.
Of course, winter ice-hole marathon swimming as any big-time sports has its dark sides but if it's included in the Olympics program, athletes will serve as an example to people and more and more will be interested in the amateur healing ice water swimming.