University of North Carolina at Chapel Hill

Will allergy-free peanut be a reality soon?

Will allergy-free peanut be a reality soon?

For her daughter's sake, Dr. Ruchi Gupta would love to have a "safe" peanut.

The director of the Food Allergy Outcomes Research Program at Northwestern Medicine in Chicago, and all those connected to the 2.8 million peanut-allergy sufferers in the U.S., might get that wish in the not- too-distant future. Moreover, while the number of those with the allergy that can turn deadly in seconds has doubled in the last two decades, researchers are learning how to lessen the problem in children or keep them from developing it in the first place.

"It's phenomenal the amount of research being done since I started 12 years ago," Gupta said. And while she's excited at...