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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 Biofilm Works
science.howstuffworks.com/life/cellular-microscopic/biofilm.htm
Biofilms form when single microorganisms attach to a hydrated surface and undergo a "lifestyle switch." Learn about biofilms in this article.
How Your Brain Works
science.howstuffworks.com/life/inside-the-mind/human-brain/brain.htm
Every animal you can think of -- mammals, birds, reptiles, fish, amphibians -- all have brains. But the human brain is unique. It gives us the power to think, plan, speak and imagine.
Can Tamiflu cause psychiatric side effects?
health.howstuffworks.com/medicine/medication/tamiflu-psych.htm
Following more than 200 reports of strange behavior in minors taking Tamiflu, including 15 deaths, the FDA has made an addition to the drug's warning label.
Chemical Peels: What You Need to Know
health.howstuffworks.com/skin-care/beauty/skin-treatments/chemical-peels.htm
Chemical peels are effective for certain purposes. Visit HowStuffWorks to learn all about chemical peels.
How Caterpillars Work
animals.howstuffworks.com/insects/caterpillar.htm
Caterpillars' lives are all about eating. Learn why caterpillars eat everything, how they grow into a butterfly or moth and more.
How John McCain Worked
history.howstuffworks.com/historical-figures/john-mccain.htm
John McCain is a Republican senator and candidate for the presidency in the 2008 election. Learn about John McCain and the political career of John McCain.
What Is Alcohol and What Does It Do to the Human Body?
science.howstuffworks.com/alcohol.htm
More than 2.3 billion people across the globe drink alcohol, but most don't consider it a drug. But if you've ever seen someone who's had too much, you know alcohol has profound effects on the mind and body.
How Hillary Clinton Works
history.howstuffworks.com/historical-figures/hillary-clinton.htm
Hillary Clinton is in the running to become the first female U.S. President. Read about Hillary Clinton and her agenda, voting record and career.
5 Most Challenging Aspects of Being a Nurse
health.howstuffworks.com/medicine/healthcare/5-most-challenging-aspects-of-being-a-nurse.htm
Nurses perform critical duties under high pressure as part of a day's work. What parts of a job with lives on the line are the most challenging?