Exercising or playing sports in extreme heat can be extremely dangerous
[caption id="attachment_12477" align="alignnone" width="2560"] Photo by Oliver Sjöström[/caption] (AP NEWS) Extreme heat makes it especially hard for your body to cool down, so you need to be extra careful if you exercise or play sports when it's baking outside. Your brain tries to keep your body within a degree or two of 98.6 degrees Fahrenheit (37 degrees Celsius), and it does so in part by triggering sweat. When sweat dries,