What are 2 allergies and what problems do they cause?
- 2 common allergies are milk and peanuts, these are both food allergies. These types of allergens enter through the mouth so they are taken up by nearby immune cells and eventually transported to mast cells. They may cause sneezing, itching, and swelling.
How do you know when you have an allergy instead of a common cold?
- A person with a common cold might have a stuffy nose and difficulty breathing. A person with allergies can have mild to severe symptoms anywhere from breathing difficulty to irritation to the skin, eyes, or stomach. Allergies also last much longer than common colds.
What makes one person be allergic when another person is not?
- Allergies are reactions of the immune system. The immune system detects and responds to foreign substances that enter the body. Some things are tolerated by the immune system while others are not. Some people’s immune system can tolerate more than others.
Blacklow, Neil R. "Cold, Common." World Book Student. World Book, 2015. Web. 24 Nov. 2015.
Ferdman, Ronald M. "Allergy." World Book Student. World Book, 2015. Web. 23 Nov. 2015.
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