President-elect Donald Trump is set to take the oath of office for a second time on Inauguration Day. Here's a look at photos from inaugurations past.

There are an estimated 300,000 polio survivors in the United States. For some, the nomination of Robert F. Kennedy Jr. as ...

Before the invention of the polio vaccine, the iron lung supported patients whose lungs were weakened or paralyzed by polio. This is its impact today.

Try this easy walking workout with fitness expert Denise Austin in your own home to burn calories and work on your cardiovascular system. Try this easy walking workout with fitness expert Denise ...