Peanut allergy is caused when the body's immune system mistakenly identifies proteins in peanuts as harmful and releases chemicals that trigger allergic symptoms.
Parents say their two teenage sons were kicked off a flight because one of them has a severe peanut allergy.
Pharmacists are seeing a shortage of one type of device used to treat life-threatening allergic reactions.
A vaccine decades in the making suppressed an allergic reaction in mice exposed to peanuts, according to a new study.
Peanut allergies continue to rise in the U.S. with the latest estimate of about 2.5 percent of American children affected.
New research could have parents rethinking feeding their children peanuts early on.