Swimmers entering cold water face the immediate danger of 'cold shock,' which can lead to drowning within seconds due to involuntary gasping. This phenomenon, identified by Professor Mike Tipton, occurs when the body is immersed in water temperatures below 15C. The risk is heightened by climate change, as warmer air temperatures can mislead people into the water while water remains dangerously cold. In May, an unusual combination of temperatures led to a spike in drowning incidents, with fatalities nearly tripling compared to previous years. The body's response to cold shock includes a dramatic decrease in breath-holding ability, significantly increasing drowning risk. To survive the initial shock, swimmers should remain still, float on their backs, and avoid thrashing about. Practicing floating techniques in pools can prepare individuals for emergencies, and bystanders should call for help rather than entering the water themselves if others are in distress.