Throughout history, great leaders have known the power of humor.

Advertisers also know that humor can help bond us to their product.

In looking for humor, keep in mind this guideline: Sometimes it takes a little time to see the humor in your upsets; you may not find something to laugh about immediately.

Children remind us to treasure the smallest of gifts, even in the most difficult times.

You may not be able to change a situation, but with humor you can change your attitude about it.

Now, a recent study from cardiologists at the University of Maryland, has shown that laughter may have a beneficial effect on the heart.

The lesson adults can learn here is that the world is filled with things for our enjoyment.