"This group of behaviors affects about 5% of the world population," said Dr. Tiffany Libby, a dermatologist at Brown Dermatology. That's about 380 million people. These group of behaviors is known as ...

Researchers showed that cells in your hair follicles release important chemical messengers in response to gentle touches to your skin. By Veronique Greenwood When someone brushes a hand across your ...

What exactly is sex? On TV and in the movies, it involves a little kissing and hugging, then almost always a quick plunge into intercourse. In romance fiction, it’s passionate, obsessive, ...

When you walk along, holding hands with your sweetheart, you don't hold that person's hand with an iron grip. Instead, you maintain gentle contact. The touches you share keep you in contact. Your hand ...