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Body Knowledge: Red Blood, Blue Veins?
There is a common misconception among kids that blood, as it courses through our veins on its return trip back to the heart, is blue.
When you look at your arms you see blue veins, but this is a trick of light, or rather a problem with wavelengths. According to Live Science, the blue waves of light are not absorbed by your skin, unlike red light waves, so blue is the color you see because it bounces back.
You Asked: Why Does the Sight of Blood Make Me Feel Faint?
Dear Fit,
I have always wanted to donate blood, but just looking at blood sometimes makes me feel like I'm going to faint. I break out in a cold sweat and feel woozy. Oddly, it only happens when I see real blood, not onscreen blood in movies (I loved Twilight).
What to Expect When Giving Blood
If you're a healthy young woman, why not spread the health by donating blood? It's an easy way to give back to the community and maybe even save someone's life. According to the Red Cross, someone in the US needs blood every two seconds, yet only 5 percent of eligible adults donate annually.
Do You Know Your Blood Type?
Blood is essential to our living, yet I know many people who aren't sure what type of blood is running through their veins. A simple test involving a needle can tell you whether you're a type A, B, AB, or O. If you're a type O, then you're considered a universal donor because anyone can receive type O blood.
Blood Type and Your Personality
We've heard about the school of thought that says blood type should dictate the kinds of foods we should eat, and there's also an idea that blood type defines our personality. A popular presence in Japanese culture, the topic was the subject of four books which were rated among Japan's top 10 bestsellers for the past year.
Much like the way eating for your blood type tells you to eliminate certain foods and eat more of others, the philosophy around blood type and personality says your blood should play a role in the jobs you take and the people you date.
STIs Explained: HIV and AIDS
Since today, June 27, is National HIV Testing Day, I thought I could dispel some myths and lay out the facts about HIV and AIDS. It is a serious issue so let's get down to business.
HIV - the human immunodeficiency virus - is a virus that kills your body’s "CD4 cells," (also called T-helper cells), that help your body fight off infection and disease.
What's the Deal With: Lyme Disease
As a kid, I remember I got a tick on the back of my neck. My mother called the doctor frantically because she thought I'd get Lyme disease. We found out from this experience, that if you notice you have a tick or that you've been bitten, it doesn't automatically mean you have Lyme disease.
Sweat May Spread Hepatitis B
This news isn't good. In a study of Olympic wrestlers, the hepatitis B virus was found in the sweat of infected individuals. This means that if anyone comes in contact with that sweat, and then it enters your bloodstream through broken skin or mucous membrane they could contract the virus.
What's the Deal with: Eating 4 Your Blood Type?
The Diet, Eat Right For(4) Your Type is based on the works of Dr. Peter D'Adamo, who found (in his extensive research) that people do better, in all aspects of life, when they tailor their diet to their specific blood types.
Here's a quick break down.
Other Search Results
Blood Energy Potion: Cool or Not?
I consider myself a big fan of True Blood and Twilight, but I'm beginning to think the whole vampire craze has gone too far. I recently came across a blood energy drink and I've been creeped out ever since.
Blood Energy Potion ($6) is the same color and consistency of blood and it comes packaged in an IV bag.
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