Would you ever plunge yourself into a chilly ice bath for up to two minutes? The practice isn't new, as people have been dunking themselves into cold water as far back as 3500 BC, according to the U.S. National Institutes of Health. Adding heat into a cold plunge cycle is known as contrast therapy, which is often done by sitting in a sauna. "I leave feeling...invigorated and alive and energized. It's really a wonderful feeling," Toronto-based cold plunge enthusiast Leanne Whistance-Smith told Global News. As Alexia Kapralos explains, people partake in the practice for the physical and mental health benefits. For more info, please go to https://globalnews.ca/the-curator/10042896/cold-plunge-benefits/ Subscribe to Global News Channel HERE: http://bit.ly/20fcXDc Like Global News on Facebook HERE: http://bit.ly/255GMJQ Follow Global News on Twitter HERE: http://bit.ly/1Toz8mt Follow Global News on Instagram HERE: https://bit.ly/2QZaZIB #Health #IceBath #ColdPlunge