Allergies affect millions of people around the world every day. Whether you’re allergic to dust in the air or peanuts in your food, allergies can be a big health problem. Even if you don’t have allergies, you probably have family or friends who do. Allergies can be annoying or they can be dangerous. Itching and sneezing may be the least of your troubles when it comes to allergies! You hear about allergies on TV and read about them online. But many people-kids and adults-don’t understand much about allergies. What happens when someone is near something they’re allergic to? Why do some people have allergies while others don’t? What is life like for the people around the world who have allergies or live with someone who does? What about deadly food allergies? You’ll find answers to all of these questions and more!