Allergies

Allergies. Source of Information: Webmd.com. What Is It? An abnormal reaction by the immune system to a substance that is not harmful. Allergies can be broken down into six categories:

Children and adults can suffer from food allergies and they tend to be under diagnosed by physicians. An allergy is an unexpected reaction to something and can show up by an unexpected change in your skin, your intestines, your respiratory passages, and/or your brain in behavior changes.

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An allergy is a hypersensitivity disorder of the immune system. Allergic reactions occur when a person's immune system reacts to normally harmless substances in the environment.

Causes, incidence, and risk factors. Allergies are pretty common. Both genes and environment play a role. The immune system normally protects the body against harmful substances, such as bacteria and viruses.

I've had severe allergies, indoor and outdoor, since I was about 17 years old. I got hives so bad that I'd scratch until I bled. I took various meds