as long as twins evan and eric edwards can remember, they had allergies, the official diagnosis came when they were 3. >> we grew up allergic to all egg products and seafood including shellfish and fish, all peanuts and tree nuts and most antibiotics. >> reporter: and seasonal allergies as well. >> we were allergic to dogs and cats. >> reporter: and chronic asthma. school was a huge challenge. >> we were those guys that had to be placed at a special table at lunch to try to ensure there was no potential for contamination. >> you have an allergy, there's a stigma, you are kind of weird, we were the weird kids at the end of the cafeteria table. >> reporter: with the near constant threat of anaphylaxis which is severe, life-threatening allergic reaction they had to have epi-pens at all times, that's a pen-like device that delivers a dose of epinephrine. but they thought their epi-pens were too bulky and they often didn't carry them. both have had three really close calls, so when they left high school, three decided to invent a smaller, more portable device. >> this was about us trying to take our experience and then develop another option for these millions who are at risk. >> reporter: they tailored their college classes around the new device. after college they started

as long as twins eric and evan edwards can remember, they had allergies. the official diagnosis came when they were 3. >> we grew up allergic to all egg products, all seafood, including shellfish and fish, all peanuts, all tree nuts and most antibiotics. >> reporter: plus, seasonal allergies as well. >> we didn't have pets growing up because we were allergic to dogs and cats. >> and to top it off, chronic asthma. for them, school was a huge challenge. >> we were those guys who had to be placed at a special table at lunch to try to ensure that there was no potential for contamination. >> you have an allergy, there is a stigma. you're kind of weird or you know, we were those weird kids at the end of the cafeteria table. >> with the near-constant threat of an flaxs, the twins had to have eppie pens at all times, a pen that injects a medication. but they thought their epipens were too bulky and often didn't carry them. both had three very close calls. so, when they left high school, they decided to invent a smaller, more portable device. >> this was about us trying to take our experience and then develop another option for these millions who are at risk. >> they tailored their college classes around the new invention they were designing. evan took engineering courses. eric took