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Your search for "blood" returned 3,133 results
What is a heart attack?
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/what-is-a-heart-attack.htm
Heart attacks are medical emergencies that should never be ignored. Get tips for responding to a heart attack and common warning signs from Discovery Health.
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.
Can You Name These "Doctor Who" Villains From One Screenshot?
play.howstuffworks.com/quiz/can-you-name-these-doctor-who-villains-from-one-screenshot
Don't blink near a Weeping Angel or forget the Silence. Run from the Family of Blood but duck when a Vespiform comes by. Keep your humanity with the Cybermen and avoid Extermination from the Daleks. Then see which "Doctor Who" villains you can I.D. in this quiz!
Benefits of Walking
health.howstuffworks.com/wellness/diet-fitness/exercise/benefits-of-walking.htm
The benefits of walking include a reduced risk of disease, improved sleep, less stress, increased energy, and more. Learn more about these benefits.
Anatomy 101: Human Body Quiz
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You remember a little ditty about the thigh bone being connected to the hip bone, which was in turn connected to the backbone. But what else do you remember about human anatomy? The answers to this quiz are all inside of you -- literally.
5 Home Remedies for Anemia
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-anemia.htm
There are many home remedies for anemia that can help restore your energy and vitality. Learn some safe and effective home remedies for anemia.
Low-sodium Diets
health.howstuffworks.com/wellness/preventive-care/low-sodium-diet.htm
Low-sodium diets seeks to reduce the level of sodium that the body intakes through food. Learn more about how low-sodium diets work in this article.
Are routine check-ups for men really necessary?
health.howstuffworks.com/wellness/men/health-tips/routine-check-ups-for-men.htm
Are routine checkups for men really necessary? Learn more about the necessity of routine checkups for men from Discovery Health.
Is there a link between alcohol and diabetes?
health.howstuffworks.com/wellness/drugs-alcohol/alcohol-and-diabetes.htm
Is it safe to drink alcohol if you have diabetes? Learn about the relationship between alcohol and diabetes to get informed.
98% of People Can't Ace This Human Biology Quiz. Can You?
play.howstuffworks.com/quiz/98-people-cant-ace-this-human-biology-quiz-can-you
Did you know that your brain is more active in the evening and at night, while you're sleeping, than during the daytime? It's true -- that's when it does it most work. Let's see how much you know about basic human biology, and debunk some myths about all the things going on inside you without your knowledge right now.