Health Library

About 4.9 million children live in households headed by grandparents. These are commonly called "grandfamilies" or "second families." Two out of three of your fellow grandparents handling this responsibility are older than 50, and the children are often under age 6.

Take a look at the influenza virus under a microscope, and you'll see a funny-looking spiked ball. But if you've ever been flat on your back with the flu, you know there's nothing funny about this highly contagious virus. Test your savvy by taking this quiz.

Flexible sigmoidoscopy is a common procedure. It used to check the health of the lower part of the colon. It can show your doctor what’s causing problems with your bowel movements, or causing bloody stool, belly pain, or weight loss. This video will show you how it’s done.