CNN CNN Saturday Morning August 24, 2013 14:32:00
Shellfish and fish, all pea nuts and most antibiotics. >> for them, school was a huge challenge. >> we were those guys that had to be placed at a special table at lunch to try to ensure that there was no potential for contamination. >> reporter: with the near constant threat of anophylaxis, which is a threat of not breathing, they had to use epi pens. but they both thought their epi pens were too bulky and often didn't carry them. they both had three close calls. when they left high school, they decided to invent a smaller, more portable device. they tailored their college classes around the n...