Cameron's story. For fruits and vegetables, the CDC and U.S. Department of Agriculture suggest rinsing the food under cold, running water prior to eating. Carrico said, "It's certainly true that heat kills bacteria, but if you were going to use hot water to kill them it would have to be way too hot for you to tolerate." There is also a Dying to be Cool: Cameron's Story - video transcript (PDF, 111.2kb). Drinking cold water does affect your body in ways you may not anticipate or want. Studies estimate mortality at between 38% and 75%. Any water that's colder than normal body temperature causes heat loss. If you are having problems watching this video (for example if you're viewing from an Apple device) you can watch it directly on our YouTube channel. That means someone has to be wrong. The cold water lowers the metabolism, allowing the brain to withstand a much longer period of hypoxia. The following tips may increase your survival time in cold water if you accidentally fall in: So please think twice. If you're going to be outside in cold weather; If you're boating; Before going to bed on cold nights; Cold-water safety. Cold water can kill you in less than a minute. Water doesn't have to be extremely cold to cause hypothermia. Hypothermia can kill, but that only happens in about 15 percent of cold water deaths. Defined as a core body temperature of 95 degrees F or lower, hypothermia causes the heart, nervous system, and other organs in the body to have trouble working correctly. According to WHO, temperatures of 140°F to 150°F are enough to kill most viruses, and boiling water makes it safe from pathogens like bacteria, viruses, and protozoa.Trivedi recommends a temperature of 160°F or greater when heating water or food products, to kill off bacteria like Legionella, a common bacteria found in water. The manufacturer says that Oxi-Clean works best in warm to hot water, so when you're washing with cold water, first dissolve Oxi-Clean in 16 ounces of warm-to-hot water, then add to the cold water. You have to have some form of flotation to get hypothermia, and it takes much longer than you think. In general, being exposed to freezing temperatures or falling into freezing water puts everyone at risk for low body temperature. Hot water kills germs, though it has to be very hot. One older and small study from 1978, involving 15 people, found that drinking cold water … It's actually so dangerous that it kills a lot of people within seconds. The shock of jumping into cold water can kill you - it's as simple as that. The Common Wisdom What’s the common wisdom? While survival is possible, mortality from severe or profound hypothermia remains high despite optimal treatment. 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