One of the greatest pleasures in life is to scratch an itch — in both the real and figurative sense. Although scratching an itch provides immediate (albeit temporary) relief, it may actually trigger ...

Have you ever wondered why scratching sometimes makes itching even worse? The neurotransmitter serotonin has been fingered as one troublemaker as the brain tries to control pain caused by scratching.

We all know that yawns are contagious, and even the word in print can be enough to inspire one. (Sorry! Also: Yawn, yawn, yawn.) Now, a new study suggests that we live in a real-life "Itchy & Scratchy ...

Itching study 'finds chemical that makes us scratch' Researchers have found a chemical that is necessary in order to feel the urge to scratch an itch. They were able to turn off the urge in mice while ...

If you love to scratch an itchy rash, good news! A new study reveals scratching a rash has upsides -- along with the downsides your mom warned you about. Nail’d it! Scratching an itchy rash can feel ...

When you’ve got dry, itchy skin during the winter, nothing beats a good scratch. But what exactly is going on in your body when you scratch an itch that makes it feel so darn satisfying? First, know ...

MINNEAPOLIS — As winter finally makes its presence felt, so does a symptom of the frigid air. Dry skin is forming and many of you might treat it in a painful, yet relieving way. Why does dry skin itch ...