Heatstroke is a dangerous illness caused by heat and runners are at increasing risk as climate change creates more hot days. It can damage organs and kill if not quickly treated. A lot of races aren’t prepared to offer the right care. (AP Video: Jeff Roberson)

Warming climate can be deadly for runners

Heatstroke is a dangerous illness caused by heat and runners are at increasing risk as climate change creates more hot days. It can damage organs and kill if not quickly treated. A lot of races aren’t prepared to offer the right care. (AP Video: Jeff Roberson)