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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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.

By Dave Roos

Enter the Fartonomicon with the guys from Stuff to Blow Your Mind. You're guaranteed to have a gas.

By Robert Lamb

The discovery of a new interstitial "organ" may explain how cancers metastasize, how acupuncture works.

By Stell Simonton

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You had LASIK surgery a few years ago, and your vision has started to blur again. Is this normal?

By Nathan Chandler

Hamstrings are a group of three muscles running down the back of the thigh, and they have a lot to do with your flexibility.

By Melanie Radzicki McManus

Diplomatic staffers in Havana, Cuba, recently began to suffer from a series of health problems. Were they sound-related?

By Patrick J. Kiger

Holding hands can help regulate responses to stress, increasing trust and emotional well-being.

By Shelley Danzy

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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.

By Alia Hoyt

The human system for excretion is actually pretty great, especially when you start looking at what other animals have.

By Robert Lamb

Does it just taste bad or are there other reasons?

By John Perritano

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Although women often think men exaggerate their symptoms when they have a cold or flu, a Canadian scientist has found that men are more susceptible to respiratory complications than women.

By Alia Hoyt

A study asked participants to determine where a number of body parts such as the spleen, liver and thyroid were located in the human body. The only part everyone got correctly was the brain. Think you can do better? Take this quiz and find out!

By Alia Hoyt

When we've really got to urinate, kids and adults alike do the pee-pee dance. What are the theories behind the fidgeting?

By Jesslyn Shields

No. 5 may seem like it's just hanging out there, but if you've ever injured it, you may have discovered how important it is for walking.

By Alia Hoyt

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New research finds that nontoxic, antibacterial sugars found in human breast milk might be key to the next generation of antimicrobial drugs.

By Jesslyn Shields

The Jamaican sprinter has a uniquely uneven gait. Is he the fastest man alive because of, or despite, this asymmetry?

By Patrick J. Kiger

If you find yourself running to the bathroom the minute you get home, experts posit this is a case of mind over bladder.

By Alia Hoyt

Colorblindness affects around 300 million people worldwide. What is it and how can glasses help?

By Melanie Radzicki McManus

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Although we've often been told that dogs have a superior sense of smell to people, a new report says there's little difference.

By Alia Hoyt

Plenty of theories exist for why drinking an entire gallon of milk in one sitting is a challenge often undertaken, infrequently accomplished. Who's right?

By Samantha Sestanovich

This organ is finally getting some street cred after centuries of being largely underestimated.

By Alia Hoyt

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When a teen lifts a burning car off the ground, it seems like a superhuman feat. But there's some simple — and amazing — science behind it.

By Kate Kershner