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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You can test this pretty easily for yourself, but does it hold true for most people? Da Vinci has the answer.

By Laurie L. Dove

Sneezing at the wrong moment can be downright dangerous - they've even been blamed for car accidents. But could stifling a sneeze be just as bad?

By Laurie L. Dove

Of course we all know how to poop. But you might be missing out on a faster, healthier, more efficient way to do it.

By Laurie L. Dove

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"Pee on it" has long been the advice for a jellyfish sting or even a regular cut if nothing else is available. But is this really the best advice?

By Laurie L. Dove

Burping can be gross, but imagine the chaos if all of that gas built up and your stomach exploded. Could it happen?

By Laurie L. Dove

It's not a common occurrence by any means, but for people with certain conditions, straining to poop can have deadly consequences.

By Laurie L. Dove

Now and then, we all have to suppress nature's call, sometimes until it hurts. But could holding your pee for a long time have serious consequences?

By Laurie L. Dove

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Everybody vomits on occasion, but often the urge comes at the most inopportune times. Wouldn't it be helpful if there was a way to suppress it?

By Laurie L. Dove

The urge to sneeze can come upon you at the worst times - say during a funeral - but luckily there are ways to suppress it.

By Laurie L. Dove

Accusing vegetarians of having smellier farts is pretty offensive. Do you need to know if you have any vegetarian guests for more than just menu planning?

By Laurie L. Dove

According to the famed children's book "Everybody Poops," well, everybody poops. But does everyone poop every day? And what happens if you don't?

By Laurie L. Dove

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Want to keep your body running like a well-oiled machine? Step aside, expensive shakes and supplements -- water's the thing your bod craves most.

By Laurie L. Dove

Picking your nose isn't something we do in public. And chowing down on what we find in there isn't just frowned upon -- it's pretty gross. But what happens if you do eat your own boogers? Is it dangerous? Or can it actually be good for you?

By Laurie L. Dove

When you have a cold or allergies, your life revolves around tissues. Your nose feels like a nonstop spigot of mucus (not your best look, by the way). Why do you constantly have to blow your nose -- and what's going on in your schnozz when you do?

By Laurie L. Dove

Have you ever seen something so gross it made you want to puke? Or actually puke? Your caveman brain might be trying to protect you. Find out why nasty things make our stomachs churn.

By Laurie L. Dove

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You're trapped in a quiet place and you feel a sneeze coming on. You try desperately to remember how to stop a sneeze, but it's too late -- ACHOO! Next time, try tickling the roof of your mouth with your tongue. Really!

By Laurie L. Dove

Kids are pretty cute, right? Maybe not so much if you've ever watched one pick his nose and eat a booger - that chubby finger emerging with a treasure, quickly inspected and (ewww) shoved right into his mouth. Why do they do this?

By Laurie L. Dove

Are you getting too up close and personal with your TV? Your eyes might think so.

By Alison Cooper

So many notes announcing new babies start, "Everyone's safe and healthy with 10 fingers and 10 toes." But why do most folks have 10 of each?

By Laurie L. Dove

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If someone told you that oodles of arachnids are jumping (and mating) on your eyelashes, you might be inclined to laugh it off. But it's true. Mites are happily living all over your face. What are they doing there anyway?

By Jennifer Sellers

You probably don't give much thought to eye boogers, except maybe when you wipe them away. But you're about to learn a lot more about them (and while you're reading, you'll probably check your eyes for crud a few times).

By Jennifer Sellers

The average person passes a good amount of gas - in the form of burps and farts - every day. Some foods, as you're surely aware, can increase this amount quite a bit. Why do some foods cause more internal turbulence than others?

By Jennifer Sellers

As anyone who's ever used a cotton swab knows, human ears generate a fair amount of earwax. But what exactly is the stuff, and do you need to make a point of clearing it out every so often?

By Jennifer Sellers

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If you have chronically itchy elbows, you're probably irritated in more than one way, as elbows aren't easy to scratch. For what it's worth, you're also in good company: A certain Civil War general shared your itchy condition.

By Jennifer Sellers

Certain scientists have taken on the unappealing job of evaluating the debris that hangs out in the human belly button. What's hiding in your belly button?

By Jennifer Sellers