On a hot, humid day we all appreciate the cool blast of air conditioning. And while some of us can hardly imagine leaving these temperature-controlled comforts, others embrace the heat in pursuit of loftier goals: being physically active.

Whether exercise is part of a regular routine, or just an excuse to take advantage of the sunshine, those who are physically active are at an increased risk for developing heat-related illnesses this summer.

VIDEO: "Being physically active in extreme heat" with Dr. Janice Harvey

For more information, take the certified machealth Extreme Heat Events course.