Allergies
An allergy is a reaction of a person's immune system to substances that are usually harmless and don't bother most other people. Common substances that cause allergies, also known as allergens, are : dust, pollen, pet dander, mold spores, certain food items and medicines. Usually allergic reactions can cause : hay fever, eczema, hives, asthma, runny nose, itchiness, rashes, swelling and other skin reactions. In some cases, allergies to certain medicines can cause serious life-threatening reactions.
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Science Videos & Lessons: (Reviewed by K-12 teachers) Understanding Allergies Grade: 3 - 12 Allergies are the immune system's specific reaction to a normally harmless substance such as pollens, certain foods, or medicines. The seasonal allergies occur at specific times of the year, while the perennial allergies can happen year-round. In many cases, successful treatment involves medication, reducing contact with specific allergens, or shots. 1:55 |
Types of Allergies Grade: 3 - 12 Introduces the different types of allergies, including airborne allergies, food allergies, asthma, and atopic dermatitis. 3:50 |
Allergy - 3D Medical Animation Grade: 3 - 12 Learn about the allergic mechanism in our body. The animated video shows how allergens come in contact, how the body reacts to such allergens, and associated symptoms. 1:25 |
How Antihistamines Work for Allergies Grade: 3 - 12 A presentation about antihistamine drugs and how they provide relief from allergies. 1:20 |
Allergies - Hypersensitivity Grade: 5 - 12 Learn about allergies, hypersensitivities. 6:45 |
Immune System Grade: 5 - 12 The video explains how your body protects itself from invading viruses and bacteria. It starts by describing the nonspecific immune responses of skin and inflammation. It then explains how we use antibodies to disrupt the function of antigens and mark them for destruction. The video also describes the process of long term immunity. 13:45 |
A Journey Through The Immune System Grade: 3 - 12 Learn about the human immune system. The human immune system is the best doctor in the world. It works 24 hours a day to protect us from enemy invaders. 5:10 |
Tell Me Why: Allergies Grade: 3 - 12 The video explores why some people have allergies to certain foods or factors in the environment. 2:35 |
Be Safe from Anaphylaxis Grade: 3 - 12 Every year up to two thousand people in the United States and Canada die from anaphylaxis -- a serious allergic reaction. The most common causes are allergies to peanuts, insect bites and seafood. 2:50 |
Food Allergies Truth Grade: 3 - 12 Learn about food allergy tests, food allergy diets, food allergy treatments and food allergy symptoms. How can functional medicine be used to treat food allergies? What is a food allergy? 8:40 |
Anaphylactic Allergic Reaction Grade: 3 - 12 The presentation explores what happens in anaphylactic reaction. 0:40 |
Kids Living With Food Allergies Grade: 3 - 12 A short film of food allergic children produced for general awareness. 4:50 |
Back-to-School With Food Allergies Grade: 3 - 12 The presentation highlights how important it is for everyone to help keep a child who has food allergies safe. 1:45 |
Combating Spring Allergies Grade: 3 - 12 Get a handle on your hay fever with these tips from a prominent San Diego allergy expert. He will explain the difference between allergies and sinusitis, as well as tips and treatments. 6:00 |
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