Peanuts cause more life-threatening allergic reactions than any other food.

Even a small amount of a food may produce a life-threatening reaction in some people.

The study said a life-threatening allergic reaction occurred in about two cases per 100,000 injections.

So the key to staying safe if you have one of these severe, life-threatening reactions is avoidance.

Severe, life-threatening reactions have been described but are extremely rare.

Allergy shots can greatly reduce your risk of having another life-threatening reaction if you've had one before.

Imagine a group of 100 people who have had a life-threatening reaction.

Without allergy shots, 60 of those 100 people will have another life-threatening reaction in the future.

You had a life-threatening allergic reaction to an insect sting.

Many of these individuals are at risk for life-threatening allergic reactions.