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Human Body
The human body is an amazing structure made up of many fascinating parts and systems. Learn about the human body and how its systems work together.
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Sitting Is Not the New Smoking. Not By a Long Shot
A group of scientists are trying to end the misleading claim that excessive sitting is just as bad for you as smoking.
Don't Let Travel Impact Your Pooping Routine
Travelers commonly experience unusual bowel symptoms while traveling. Why is this, and what can we do about it?
Why Won't My Eye Stop Twitching?
The eye twitching that's driving you crazy — it's likely caused by nothing more than stress or fatigue. But you may need to see a doctor if you have other symptoms, too.
Taking Out Your Appendix May Lessen Your Risk of Parkinson's
A large study found that people who had had their appendix removed early in life were significantly less likely to develop Parkinson's disease later on.
5 Things You Didn’t Know About Donating Your Brain to Science
Listed as an organ donor on your driver's license? That designation does not include your brain.
Are Flavored Vaping Liquids Safe?
Chemical flavorings interact with the solvents in vaping liquids, forming dangerous new compounds. And that's before they're even heated.
HowStuffWorks: 3d printing: 3d printing update
HowStuffWorks interviews Dr. Mathew Pombo a Orthopedic Sports Medicine Surgeon at Emory about how 3d printing is used to help people walk
Black Hairy Tongue: It's Gross, but You'll Live
You'll probably be OK if your tongue turns black and hairy, but you should definitely see a medical professional.
Scientists Discover Protein That Could Help Restore Hearing
For over 40 years, scientists have been searching for the protein that allows us to hear. Its recent discovery might help people regain their hearing.
Please Stop Flushing Your Contacts!
Contact lenses fragment into microplastics that slip through water filtering systems and ultimately end up in the oceans.
More Americans Than You'd Think Smell 'Phantom Odors'
About 1 in 15 Americans over 40 smell odors that aren't there, according to a new study. And the reason why is still a mystery.
Does Everyone Have the Ability to Become a Genius?
Sudden savant syndrome can make you a math whiz or musical prodigy instantaneously. But how?
HowStuffWorks: Eyebrow trends over the last 100 years
Eyebrow trends over the last 100 years
Ever Stand Up and Get Dizzy?
It happens to almost everyone and there are lots of possible explanations.
Every Coffee Drinker Is Unique
What's behind the fact that you can drink three cups of coffee and still feel sleepy while your coworker feels jittery after one cup? Our bodies all process caffeine differently. Here's why.
The Man Whose Blood Saved More Than 2 Million Babies
James Harrison's blood contains a rare and powerful antibody that's saved millions of Australian babies. Now, at age 81, after donating 1,173 times, he's hoping someone else will pick up where he left off.
5 Things You Didn’t Know About Your Belly Button
Whether you have an innie, an outie, or none at all (you'll have to read the article to find out how that's possible), we've got you covered.
This Year's Must-have for Music Festival Season: Ear Plugs
Music festivals are a blast, but research shows they can also be a bummer for your ears. One study even says that alcohol, coupled with loud music, can make the hearing loss worse.
A Compendium of Fart Facts, Plus One Gaseous Podcast
Enter the Fartonomicon with the guys from Stuff to Blow Your Mind. You're guaranteed to have a gas.
New Human Highway 'Organ' Identified
The discovery of a new interstitial "organ" may explain how cancers metastasize, how acupuncture works.
How Long Does LASIK Last?
You had LASIK surgery a few years ago, and your vision has started to blur again. Is this normal?
Take Care of Those Hammies
Hamstrings are a group of three muscles running down the back of the thigh, and they have a lot to do with your flexibility.
When Sound Makes You Sick
Diplomatic staffers in Havana, Cuba, recently began to suffer from a series of health problems. Were they sound-related?
Holding Hands Can Ease Pain
Holding hands can help regulate responses to stress, increasing trust and emotional well-being.
What Happens If You Don't Poop for 47 Days?
What would happen if you didn't (or couldn't) move your bowels for several weeks? Let's just say you'd be in a crappy situation.
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