THE BODY

It’s less than an inch in diameter.

René Descartes once described the pineal gland as “the principal seat of the soul.” Medical knowledge has vastly progressed since his time, though. Here’s what we know about this critical organ.

You might think they’re unnecessary, because so many people have had their tonsils removed—but tonsils actually serve an important role in your immune system.

Many people underestimate the damage that suppressing a sneeze can cause.

The nagging pain in your neck may feel tight, but it's knot what you think.

Fall just got more colorful for colorblind visitors to Virginia’s state parks.

Humans share some of their body parts’ name origins with fish, cows, and dolls.

Seasickness happens when a person’s body struggles to grow accustomed to a boat’s motion patterns, causing them to feel unsteady and often nauseated. But land sickness happens in reverse.

If a trip to Target inevitably ends with you making a pit stop at the restroom, you're not alone.

The ancient art of sword swallowing may seem like some sort of elaborate trick—but it’s very, very real (and very, very dangerous).

You’re watching a scary movie or the music swells during your favorite song—the shiver up and down your spine is your body responding to a range of emotions.

It's known as "middle-aged groan," and it afflicts millions who dare try to get off the couch.