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Your search for "antigen" returned 49 results
Blood Quiz: Do you know what's flowing through your veins?
play.howstuffworks.com/quiz/blood-quiz
A vampire is headed straight for you. "I vant to drink your blood," he hisses. To prevent him from sucking the life force straight out of you, you decide to distract him with your amazing knowledge of blood. Take the quiz and prove yourself.
Is it possible to be allergic to your own blood?
It is possible to be allergic to your own blood. Learn more about the condition at HowStuffWorks.
How Bird Flu Works
science.howstuffworks.com/life/cellular-microscopic/bird-flu.htm
Bird flu is an infectious disease that has swept through the Asian bird population. Learn how bird flu spreads and the risks posed by antigenic drift and shift.
Does Ebola affect people who are Rh-negative?
health.howstuffworks.com/diseases-conditions/infectious/ebola-rh-negative.htm
Can you get Ebola if you're Rh-negative? Learn about the connection between Ebola and being Rh-negative at HowStuffWorks.
How can llamas help defeat biological weapons?
science.howstuffworks.com/bio-llama.htm
Sure, llamas are our friends. But little did we know that these fuzzy, camel-like creatures might save us all should the End come in the form of a biological attack.
What's the most allergenic ingredient in skin cleansers?
health.howstuffworks.com/skin-care/cleansing/products/allergenic-ingredient-skin-cleansers.htm
Do you know what the most allergenic ingredient in skin cleansers is? Find out about allergenic ingredients in skin cleansers and how to avoid them.
Are we more worried about food allergies than we should be?
health.howstuffworks.com/diseases-conditions/allergies/food-allergy/information/food-allergies.htm
Food allergies are just one concern a parent might have. How much fear is necessary regarding fear allergies and what should you look out for?
10 Scientists Who Were Their Own Guinea Pigs
science.howstuffworks.com/innovation/scientific-experiments/10-scientists-self-experimenters.htm
Some scientists choose to use their own bodies in their scientific experiments. Learn about 10 self-experimenting scientists.
How False Positives Work (and What They Could Mean for Your Health)
health.howstuffworks.com/diseases-conditions/cancer/facts/false-positive.htm
Depending on the test and other things, a false positive for cancer could be as high as 50 percent. Learn about false positives at HowStuffWorks.
How Vaccines Work
health.howstuffworks.com/wellness/preventive-care/vaccine.htm
A vaccine is, essentially, a cure for an illness or disease. Who came up with the idea for vaccines and do we give too many shots now?