HYDROTHERAPY is one of the oldest, simplest and most effective natural therapies. Alternating hot and cold water is believed to stimulate blood and lymph circulation, relieve congestion, tone body tissues, ease pain, relax the nervous system, and improve overall health. Thalasotherapy, a form of hydrotherapy, which includes Turkish baths and sea-water baths to cure specific ailments or as a cleansing tool are also very popular. Hydrotherapy is also used in colonics to cleanse toxic waste from the colon and restore optimum health.