CNN Sanjay Gupta MD August 17, 2013 20:45:00
Allergic to both dogs and cats. >> reporter: and topping it out of, chronic asthma. school was a challenge. >> we were those guy whose had to be placed at a special table to lunch to try to ensure there was no potential for contamination. >> you have an allergy, a stigma. we were the weird kids at the cafeteria table. >> reporter: a severe life-threatening allergic reaction, the twins had to have epi-pens al all times. it injects a dose of epinephrine to stop a drop in blood pressure in serious bleeding problems. they thought they were bulky and often didn't carry them. both have had three rea...