IT starts with an initial icy shock as cold water prickles the skin. This is followed by shivering, an increase in heart rate, faster breaths and a rise in blood pressure.
While the practice of cold water immersion may not sound like a particularly relaxing activity, it has gained a remarkable following, especially within the last few years. A great number of athletes, chief executive officers (CEOs) and celebrities swear by it, pointing to benefits such as improvements in muscle recovery, stress reduction and enhanced immunity.