Why Do Some People Smell Better to You Than Others?

When it comes to attraction, your nose knows what’s best. What feels like random attraction to you is actually a series of chemical reactions that take place primarily in your nose.

Why Do You Lose Your Appetite When You’re Sick?

Loss of appetite is a well-documented symptom of a number of illnesses and could leave you eating less while you are sick for a couple of reasons.

Why Is Lip Balm So Addictive?

Never leave home without lip balm to soothe your chapped skin? If you find yourself compulsively applying the stuff, you may be addicted to your chapstick!

Why Is Yawning So Contagious?

Why do we yawn? The center of many a scientific study, researchers have several theories about the science behind this contagious phenomenon.

Does Eating Turkey Actually Make You Sleepy?

Tryptophan is an amino acid found in turkey that gets a reputation around Thanksgiving for making people tired - but does it actually cause exhaustion?

Why Do Our Ears Pop When Flying on Airplanes?

You've probably experienced the characteristic pop that relieves pressure in your ears while flying - but do you know how and why this needs to happen?

What Body Parts You Can Live Without?

While most of our organs perform important functions that are essential for life, we’ve held onto some body parts that are now obsolete.

Is There Really an Effective Remedy for Hiccups?

Next time you have the hiccups, try one of these recommended methods to put them to rest.

What’s Happening When You “Jerk” Awake?

We've all been there, you are drifting off when suddenly you jolt awake. Here's why our bodies seem to betray us just as we start to fall into a deep sleep...

Why Do We Get the Best Ideas in the Shower?

Your shampoo brand would probably love to take credit for bottling genius, but shower ‘ah-hah’ moments have more to do with the perfect haven created than the suds on your scalp.

What Happens When Food Goes Down the Wrong Pipe?

It’s an unpleasant experience that almost everyone has had to deal with at one time or another: eating turns into a disaster when food travels down the wrong pipe in your throat. The throat...
Why Do We Cry?

Why Do We Cry?

Whether you’re watching the latest Nicholas Sparks’ movie, chopping an onion or stressing out, this common body function could be serving a number of purposes.
Why Do We Have Eyebrows and Eyelashes?

Why Do We Have Eyebrows and Eyelashes?

If you take a long look in the mirror and really focus on your eyebrows and eyelashes, these fuzzy features may begin to look strange. Why do we have hair above and around our...