New research shows how surface material and temperature change how long viruses survive and whether they can still spread.

Wait at least three days before texting a new date. But new research tells a different story—and reveals the surprising sweet ...

When you get cold, your body redirects warm blood toward your vital organs. To reduce heat loss, it narrows the small blood ...

You may not notice you have frostbite until it's pointed out. Here are signs and symptoms to look out for as temperatures drop.

Loneliness isn’t just about being alone. Find out what's at the root of your loneliness and how to start building meaningful ...

More than two decades ago, measles—a highly contagious and potentially deadly childhood disease—was declared eliminated in ...