Have you ever been out for a run and felt like you might be dying? 35 year old Evan turned this colloquial comment into reality when he suffered a rare type of stroke training for a marathon. Although muscle pain, a racing heart, and maybe even some dizziness are common for many people pushing themselves on a run, they can also be an early indicator of something much more sinister happening in your brain. Listen as a cognitive neuroscientist self diagnoses his stroke in real time.