Here's a safety tip from your friendly skeptical doctor - don't wrap yourself in mud and then stay in a sweat lodge for hours. You may or may not remember from your grade school health class that the body needs to regulate its own temperature to keep it within a fairly narrow healthy range.
There are several mechanisms for regulating body temperature, but the most important is simply behavior. When you feel hot you take actions to get cool, like remove clothing or drink cold water. When you are cold you bundle up, seek out a warm location, and maybe drink some hot tea. There are also many automatic mechanisms of thermoregulation, such as adjusting metabolic rate, sweating, and shivering.
You can, however, overwhelm the body's automatic thermoregulation with behavior. Stand outside in below freezing temperature with few clothes on (or just s
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http://richarddawkins.net/articles/644755-when-pseudoscience-kills
1/29/2012 7:52:39 AM