Some schools have adopted peanut-free policies to keep students with life-threatening food allergies safe. This article features several doctors with expertise in allergies weighing in on this approach. Some say they disagree, in part, because it can lead to a false sense of security for students and school staff. They also point out that students may be allergic to foods, such as eggs or milk, which would be more difficult for schools to ban. They suggest having reasonable policies that protect students.