CNN CNN Newsroom October 12, 2013 19:53:00
I was really cranky. i remember being thirsty a lot. i was using the bathroom extremely frequently. losing a lot of weight. >> reed was diagnosed with type i diabetes. >> you are, no, ryan, you'll never race again. >> but they were wrong. reed adapted. he's on a strict diet. he has a sensor implanted in his abdomen that transmits his blood sugar readings. there's a continuous glucose monitor mounted to the dash inside his race car that allows him to check his blood sugar during the race. >> ten four, how are your numbers? 120 and maintaining. >> and his fire suit sports a bull's-eye? >> we hav...