My sons rast test just went up from a 3 to a 4. How much more serious is a 4?
I'm new...Hi. My son was just tested for food allergies again. He was a rast 3 last year and is now a rast 4. He started school this year and is around children eating peanut sandwiches all the time. They have him at a peanut free table but he has more exposure then he ever has ...read more