He used to be allergic to nuts at a yound age, but it suddenly stopped. Now, he eats nuts again. Will his allergies suddenly pop up again and kill him?

For the other symptoms, click on my name, and you should see my profile. Then scroll down and view my questions, and you can read all of my questions. Everything that I post is about this person. You see, if you guys were to see other 'symptoms', then maybe you could give more accurate answers. Help!