Health Day News experts offer tips on exercising during the heat of the summer. "People who exercise or play sports outdoors during the summer need to take steps to avoid heat injury, especially heat stroke, an expert says.
"Not every case of heat stroke is fatal, but some cases are," Stacey Snelling, associate dean of American University's School of Education, Teaching and Health, said in a university news release. "Once you have experienced heat stroke, you need to be even more careful, as you are more susceptible to it because you have ruined your hypothalamus, the part of your brain that regulates body temperature."
She offered some tips for people who are physically active outdoors during the summer." read more 
Have you ever had health concerns from exercising in the heat?